Escores de resultado: o que medem e o que não medem Folheto
O que é
Uma medida de resultado relatada pelo paciente é um questionário que você preenche sobre a própria saúde. Em vez de um exame realizado em você, ele pergunta como você se sente e o que consegue fazer. Esses questionários existem desde, pelo menos, a década de 1960, embora o nome “medida de resultado relatada pelo paciente” seja mais recente [1].
O médico não consegue ver dor ou cansaço em um raio-X ou por meio de um exame físico. Pesquisas indicam que aspectos como amplitude de movimento e força não são tão confiáveis quanto se imagina; por isso, cada vez mais clínicas passam a perguntar diretamente aos pacientes [2]. É exatamente nesse ponto que esses questionários são úteis: eles capturam sua percepção sobre a própria função e bem-estar, algo que nenhum exame de imagem ou teste clínico consegue observar [3].
Alguns desses questionários são longas listas de perguntas sobre a vida cotidiana. Outros, mais recentes, como as medidas PROMIS desenvolvidas por uma rede de pesquisa nos EUA, são mais curtos e precisos [4]. Você pode preencher um deles em papel, com caneta, ou responder algumas perguntas por mensagem de texto no celular. Estudos demonstraram que ambos os métodos geram pontuações comparáveis [5].
Suas respostas são pontuadas e comparadas ao longo do tempo, permitindo acompanhar mudanças antes e depois do tratamento. Os pesquisadores também os utilizam para comparar resultados entre grandes grupos de pacientes; contudo, os dados coletados não são uniformes nem completos nos registros de articulações ao redor do mundo, o que dificulta tais comparações [6].
É importante saber que essas pontuações medem médias entre grupos de pacientes. Elas não preveem como um indivíduo específico se sentirá. Seu médico usará sua pontuação como uma informação a mais, juntamente com o exame clínico e seus próprios objetivos, e não como um veredito sobre sua recuperação.
Por que isso é importante
Esses questionários têm duas funções distintas, e é útil saber qual é qual.
A primeira função é acompanhar a evolução do paciente ao longo do tempo. Você preenche o mesmo questionário antes e depois do tratamento, permitindo que a equipe médica observe quais mudanças ocorreram. Nesse caso, sua própria pontuação é mais útil como indicador do seu progresso individual, e não como um número para comparação com outras pessoas. Duas pessoas podem começar em situações diferentes e terminar com pontuações distintas, mesmo ambas tendo obtido bons resultados.
A segunda função ocorre em uma escala muito maior. Quando muitos pacientes preenchem os mesmos questionários, é possível comparar grupos inteiros, avaliando tratamentos e serviços em toda a população. É assim que os resultados alimentam pesquisas e orientam decisões sobre cuidados médicos de forma mais ampla. A coleta rotineira dessas informações representa o futuro da saúde, valorizando o que realmente importa para os pacientes [1]; sua inclusão nas consultas ortopédicas regulares é viável e proporciona aos médicos e pacientes dados concretos para tomarem decisões em conjunto [2].
Há um ponto importante a ser considerado. O movimento em torno desses questionários tem sido impulsionado principalmente por pesquisadores e por quem financia os cuidados de saúde; nem sempre houve foco na melhoria do atendimento sob a perspectiva do paciente [3]. Algumas limitações na forma como as pontuações são utilizadas podem explicar por que o preenchimento desses questionários nem sempre gera melhores resultados para os pacientes [4].
E o que isso significa para você? Sua pontuação é apenas uma das informações que seu médico leva em conta, juntamente com o exame clínico e seus próprios objetivos. Não se trata de uma nota nem de uma previsão. O que ela oferece é uma forma de expressar em palavras as mudanças que você percebe, mas que ninguém mais consegue notar; além disso, permite que seu progresso faça parte de um cenário mais amplo, útil para avaliar os cuidados prestados a todos.
O que os resultados significam
Você obteve uma pontuação. O que ela realmente indica?
Primeiro, é importante saber que o sentido “melhor” ou “pior” depende do questionário utilizado. O próprio formulário ou a pessoa que o aplicou lhe informará qual é a direção interpretada.
Uma pequena variação no número pode não significar muito. Pesquisadores têm estudado esse problema e utilizam alguns conceitos para ajudar na interpretação das pontuações. Um deles é chamado de “diferença mínima clinicamente importante”, que corresponde à menor alteração que um paciente realmente perceberia no dia a dia. Outro conceito é o “estado sintomático aceitável para o paciente”, que representa o ponto em que o paciente se sente bem o suficiente para considerar seus sintomas aceitáveis [1].
O problema é que não existe um único limiar válido para todas as pessoas. Os valores desses indicadores variam entre hospitais e entre diferentes grupos de pacientes [2]. Métodos distintos de cálculo produzem resultados bastante diferentes [3]; por isso, qualquer valor deve ser interpretado como uma faixa, e não como um limite rígido [4]. Assim, se sua pontuação mudar pouco, isso por si só não revela muita coisa. O que realmente importa é a medição posterior da pontuação e a direção dessa variação.
Também vale ressaltar que uma alteração pode ser estatisticamente significativa sem ser algo perceptível para o paciente. Estudos sobre essas medidas mostram que uma diferença que aparece nos números nem sempre corresponde a uma mudança relevante para você [5]. Por isso, sua equipe médica analisa a pontuação em conjunto com o exame físico e seus próprios objetivos, em vez de considerar o número como resposta definitiva.
Há ainda outra limitação: ainda não existe um único questionário considerado padrão para avaliar a função. Uma revisão identificou 15 ferramentas diferentes usadas para esse fim; por isso, os pesquisadores continuam defendendo maior padronização [6]. Todas essas medidas ainda precisam de mais estudos para comprovar sua eficácia [7].
Portanto, considere sua pontuação como um dos vários sinais disponíveis. Pergunte-se: o que mudou, em que medida e se você consegue perceber essa alteração.
O que ele não pode lhe dizer
A pontuação obtida em um questionário não pode diagnosticar nada. Ela registra como você se sente, não o que está errado com você. Também não determina qual tratamento você deve seguir; essa decisão cabe a você e ao seu médico, que levarão em conta o exame clínico, seus objetivos e seu próprio julgamento, além da pontuação.
Um único resultado também não representa um veredito sobre seu estado de saúde. Essas pontuações medem médias entre grupos de pacientes; porém, a média mascara a variedade de experiências individuais. Duas pessoas podem obter a mesma pontuação e ter percepções completamente distintas a respeito dela. Sua própria história é mais importante do que sua posição nesse grupo.
Existem algumas armadilhas práticas que vale a pena conhecer. Algumas perguntas podem deixar de abordar o que é mais importante para você, pois ainda não há um conjunto padrão de perguntas definido [1]. Além disso, alguns resultados tendem a se concentrar nos extremos da escala, de modo que uma mudança real em seu bem-estar pode não se refletir na pontuação. Por fim, os limites usados para determinar se uma mudança é significativa variam entre hospitais e grupos de pacientes [2]; portanto, uma pequena variação na sua pontuação não tem o mesmo significado em todos os lugares.
Em resumo: sua pontuação é apenas um dos vários sinais disponíveis. Ela pode ajudar a expressar em palavras o que ninguém mais consegue perceber e acompanhar sua evolução ao longo do tempo. Contudo, não pode lhe dizer o que está errado, escolher o tratamento adequado para você, nem resumir sua recuperação em um único número.
Em resumo
Esses questionários são úteis para uma coisa: permitir que você descreva com suas próprias palavras como se sente e o que consegue fazer, de forma que isso possa ser acompanhado ao longo do tempo. Eles não constituem um diagnóstico, nem indicam uma opção de tratamento, nem preveem sua recuperação. O que vale a pena lembrar é que sua pontuação é apenas um dos vários sinais utilizados na avaliação. Sua equipe de cuidados médicos analisa essa pontuação juntamente com o exame clínico e seus próprios objetivos; portanto, um número isolado nunca conta a história completa.
Referências
[1] Medidas de desfecho relatadas pelo paciente (PROMs): uma revisão das medidas genéricas e específicas para cada condição, além de uma discussão sobre tendências e problemas. Health Expectations. 2021. DOI: 10.1111/hex.13254
[2] Medidas de desfecho físico: o papel da força e da amplitude de movimento na pesquisa ortopédica. Injury. 2020. DOI: 10.1016/j.injury.2019.11.017
[3] As medidas de desfecho relatadas pelo paciente (PROMs) chegaram à medicina esportiva e do exercício: por que são importantes?. British Journal of Sports Medicine. 2015. DOI: 10.1136/bjsports-2014-093707
[4] Utilização das medidas do Sistema de Informação sobre Medidas de Desfecho Relatadas pelo Paciente em especialidades ortopédicas: resultados de uma revisão de escopo de 2018 a 2022. Journal of the American Academy of Orthopaedic Surgeons. 2025. DOI: 10.5435/jaaos-d-24-00432
[5] Coleta de desfechos relatados pelo paciente; mensagens de texto em telefones celulares proporcionam escores válidos e altas taxas de resposta. BMC Medical Research Methodology. 2014. DOI: 10.1186/1471-2288-14-52
[6] CORR Insights®: Coleta e relatório de medidas de desfecho relatadas pelo paciente em registros de artroplastia: pesquisa multinacional e recomendações. Clinical Orthopaedics & Related Research. 2021. DOI: 10.1097/corr.0000000000001918
[7] Assistência à saúde baseada em valor: desfechos relatados pelo paciente na tomada de decisões clínicas. Clinical Orthopaedics & Related Research. 2016. DOI: 10.1007/s11999-016-4813-4
[8] Integração de desfechos relatados pelo paciente na prática clínica ortopédica: prova de conceito a partir do estudo FORCE-TJR. Clinical Orthopaedics & Related Research. 2013. DOI: 10.1007/s11999-013-3143-z
[9] Medidas de desfecho relatadas pelo paciente na prática clínica. BMJ. 2015. DOI: 10.1136/bmj.g7818
[10] Benefícios e limitações percebidos no uso de medidas de desfecho relatadas pelo paciente na prática clínica individual: uma revisão sistemática de estudos qualitativos. Quality of Life Research. 2021. DOI: 10.1007/s11136-021-03003-z
[11] Um apelo por uma abordagem padronizada para o relato de medidas de desfecho relatadas pelo paciente. Journal of Bone and Joint Surgery. 2021. DOI: 10.2106/jbjs.21.00030
[12] O cálculo da diferença mínima clinicamente importante faz sentido? Formas de melhorá-lo. Arthroscopy. 2024. DOI: 10.1016/j.arthro.2023.11.007
[13] A diferença mínima clinicamente importante: resposta. The American Journal of Sports Medicine. 2023. DOI: 10.1177/03635465231189222
[14] A diferença mínima clinicamente importante: carta ao editor. The American Journal of Sports Medicine. 2023. DOI: 10.1177/03635465231189223
[15] Diretrizes para o relato adequado da significância clínica, incluindo a diferença mínima clinicamente importante, o estado sintomático aceitável pelo paciente, o benefício clínico substancial e a melhoria máxima do desfecho. Arthroscopy. 2022. DOI: 10.1016/j.arthro.2022.08.020
[16] Medidas de desfecho relatadas pelo paciente na prática avançada de fisioterapia musculoesquelética: uma revisão sistemática. Musculoskeletal Care. 2017. DOI: 10.1002/msc.1200
[17] Avaliação da qualidade das medidas de desfecho relatadas pelo paciente disponíveis para a claudicação intermitente: uma revisão sistemática utilizando a lista de verificação COSMIN. European Journal of Vascular and Endovascular Surgery. 2015. DOI: 10.1016/j.ejvs.2014.12.002
Evidence & references
This is the clinical evidence summary written for health professionals. It is technical, and it lists the research this page was built from. You do not need to read it to understand your treatment or to make a decision about it.
Overview
- Patient-reported outcome measures (PROMs) are critical for capturing the patient's perspective on health status, which cannot be observed through clinical tests or imaging [48].
- Standardized health-related outcome measures require evidence for change and a way to interpret change within individuals or difference between groups [3].
- The minimum clinically important difference (MCID) defines the smallest amount an outcome must change to be meaningful to patients [46].
- The minimum clinically important difference, the standard error of measurement, and the minimum detectable change are proposed as indicators for the clinical interpretation of test scores [1].
- Lack of consensus in the literature has led to confusion about which measurement properties are relevant, which concepts they represent, and how to assess these measurement properties in terms of design requirements and preferred statistical methods [16].
- Consensus was reached on how a comprehensive research question can be deduced from the design of a reliability study to determine how the results of a study inform us about the quality of the outcome measurement instrument at issue [2].
- An appropriate and validated measure that is suitable for both the particular study population and the reason for collecting the PROMs data should be chosen [6].
- Providing access to PROM scores without clearly understanding how and why surgeons may consider using them can result in expensive and underused systems that add little value [44].
- Reasons for limited use of PROMs by orthopedic surgeons include a lack of knowledge on how to use them and the perception that it is too time-consuming to add to regular clinical routine [45].
- Limitations of PROM use in clinical practice shed light on why PROM use may not always improve patient outcomes and provide considerations for the design and implementation of future PROM initiatives [47].
- PROMIS measures are efficient and precise tools, and their use is expected to continue to increase across medical and surgical specialties as health systems and payers expand their definition of healthcare quality to include patient-reported health outcomes [49].
How It Works
Interpretation and Clinical Utility
- The minimum clinically important difference, standard error of measurement, and minimum detectable change are proposed as indicators for the clinical interpretation of test scores [1].
- Scores from tools designed to measure outcomes that matter to patients have been developed over the past 30 years, but few are used routinely at the point of care [21].
- An appropriate and validated measure suitable for the particular study population and the reason for collecting data should be chosen for patient-reported outcome measures [6].
Reliability and Validity Assessment
- The two-way mixed-effect analysis of variance model with interaction for the absolute agreement between single scores is recommended to assess test-retest reliability for patient-reported outcome measures [4].
- Consensus was reached on how a comprehensive research question can be deduced from the design of a reliability study to determine how results inform about the quality of the outcome measurement instrument [2].
- The Patient-Reported Outcomes Measurement Information System (PROMIS) item banks demonstrated good reliability across most of the score distributions [43].
- The MOS short form health survey (SF-36) scales met required internal consistency criteria with Cronbach alpha coefficients equaling or exceeding 0.70 in a study conducted in India [33].
- An assessment tool for brachial plexus regional anesthesia performance demonstrated construct validity by reliably discriminating between different levels of training, with senior trainees performing significantly better than junior trainees on the global rating scale [35].
Standardization and Data Collection
- Current data collection of patient-reported outcome measures is neither uniform nor complete across the world's registries, which may impact data validity and the ability to compare outcomes [8].
- No key measure was identified to capture functional status in advanced musculoskeletal physiotherapy practice, with 15 different tools utilized, highlighting the need for greater standardization of outcome measurement [40].
- Outcomes assessed on numeric rating scales and reported with text-messages on mobile phones provide comparable scores to questionnaires completed with pen and paper [7].
Limitations and Gaps
- Physical outcome measures such as range of motion and strength are not as reliable measures as one would think, and are being changed for the use of patient reported outcomes [15].
- All patient-reported outcome measures for intermittent claudication require further validation studies to fill the gaps in their measurement properties [32].
How It Is Used
- Clinicians can use the minimum clinically important difference, standard error of measurement, and minimum detectable change to interpret test scores [1].
- Standardized health-related outcome measures require evidence for change and a method to interpret change within individuals or differences between groups [3].
- Clinicians must be cautious when accepting a minimal clinically important difference score at face value due to wide variability in established scores for a single outcome scale [5].
- Outcomes assessed on numeric rating scales via text messages on mobile phones provide comparable scores to those completed with pen and paper questionnaires [7].
- Investigators can choose thresholds to dichotomize responses on health-related quality of life measures based on absolute scores or change scores to facilitate interpretation [10].
- Promoting ownership and correct use of the measure by clinicians can improve practice and the quality of care through patient-reported outcome measure data use in clinical decision-making [11].
- The minimal important difference is not an immutable characteristic and may vary by population and context, meaning no single minimal important difference is valid for all study applications [14].
- Routine use of patient-reported outcome measures has the potential to help transform healthcare [18].
- High variability in scale choice and the use of measures not validated in pediatrics make comparative outcomes research difficult in the pediatric sports population [19].
- High-quality systematic reviews on measurement instruments are advocated to recommend the best available outcome measurement instrument [20].
- Few outcome measurement tools have been used routinely at the point of care despite being developed over the past 30 years [21].
- Further studies are needed to provide validated outcome measures to ensure the accuracy of reported results and conclusions after rib fracture [22].
- Comparative effectiveness research requires accurate assessments of patient numbers, follow-up completeness, clinical outcomes, and care settings [34].
- Recommendations for the selection of patient-assessed measures of health outcome are needed [36].
- Limiting follow-up to automated methods has the potential to transform the design and conduct of outcome-based research to provide substantially better research value in large prospective cohorts [38].
- There are challenges in using patient-reported outcomes in clinical practice [39].
- The routine use of patient-reported outcomes in clinical practice is assessed for its impact on the process of care, patients' and professionals' experiences of care, and health outcomes [42].
Interpreting the Results
Measurement Properties and Reliability
- Consensus was reached on deducing a comprehensive research question from the design of a reliability study to determine how results inform the quality of an outcome measurement instrument [2].
- The two-way mixed-effect analysis of variance model with interaction for the absolute agreement between single scores is recommended for assessing test-retest reliability of patient-reported outcome measures [4].
- Range of motion and strength are not as reliable measures as one would think [15].
Minimal Clinically Important Difference (MCID)
- Clinicians must be cautious in accepting an MCID score at face value given the wide variability of established MCID scores available for a single outcome scale [5].
- The recommended approach for estimating the minimal important difference is to use several anchor-based methods with relevant clinical or patient-based indicators, examine distribution-based estimates as supportive information, and triangulate on a single value or small range of values [9].
- The Minimal Clinically Important Difference (MCID) is a point estimate that should always be reported with its associated 95% CI, as there is no basis for considering a sample-derived MCID a singular threshold to be crossed [12].
- The minimal clinically important difference (MCID) is an imperfect solution to a complicated problem, and different methods used to calculate MCID lead to highly heterogeneous values [13].
- The minimal important difference (MID) is not an immutable characteristic but may vary by population and context, and no one MID may be valid for all study applications [14].
- The minimal clinically important difference (MCID) is a low bar that patients do not seek when undergoing surgery; instead, they aim for substantial clinical benefit or a patient acceptable symptom state (PASS) [17].
- The calculation of the minimal clinically important difference (MCID) needs to be correlated with changes in scores on the rating scale and external anchors [24].
- A systematic approach exists to triangulate on the Minimal Clinically Important Difference (MCID) using both distribution-based and anchor-based methods [29].
Reporting and Interpretation Frameworks
- Outcomes assessed on numeric rating scales and reported with text-messages on mobile phones or with questionnaires completed with pen and paper provide comparable scores [7].
- Investigators can choose thresholds to dichotomize responses on HRQL based on absolute scores or change scores to facilitate interpretation [10].
- A standardized reporting of patient-reported outcome measures (PROMs) has been proposed that incorporates the minimum clinically important difference (MCID) and the patient acceptable symptom state (PASS), introducing a 'clinical relevance ratio' to report the proportion of patients achieving clinical importance rather than relying solely on mean changes [23].
- Routine use of patient reported outcome measures (PROMs) has the potential to help transform healthcare [18].
Limitations and Pitfalls
Measurement Properties and Reliability
- Lack of consensus in the literature has led to confusion about which measurement properties are relevant, which concepts they represent, and how to assess these properties in terms of design requirements and preferred statistical methods [16].
- To assess test-retest reliability for patient-reported outcome measures, the two-way mixed-effect analysis of variance model with interaction for the absolute agreement between single scores is recommended [4].
- Consensus was reached on how a comprehensive research question can be deduced from the design of a reliability study to determine how the results inform about the quality of the outcome measurement instrument [2].
- A 10-item computerized adaptive test (CAT) eliminated floor and decreased ceiling effects, achieving a small standard error (≤ 2.2) across scores from 20 to 50 with reliability ≥ 0.95 for a representative US sample [31].
Minimal Clinically Important Difference (MCID)
- The recommended approach is to estimate the minimal important difference based on several anchor-based methods with relevant clinical or patient-based indicators, examine various distribution-based estimates as supportive information, and triangulate on a single value or small range of values [9].
- MCIDs expressed as effect sizes reduce bias, which mainly results from dependency on the baseline score [41].
- Researchers, clinicians, and healthcare policy decision makers can consider using a specific instrument to evaluate the design, conduct, and analysis of studies estimating anchor based minimal important differences [30].
Data Collection and Standardization
- The current data collection of patient-reported outcome measures (PROMs) is neither uniform nor complete across the world's registries, which may impact data validity and the ability to compare outcomes [8].
- The high variability in scale choice and the use of measures not validated in pediatrics make comparative outcomes research difficult [19].
- Only 57% of primary medical providers are using patient reported outcome measures within their practice, with the information largely used for research rather than clinical decision-making [27].
- Further studies are needed to provide validated outcome measures to ensure accuracy of the reported results and conclusions [22].
Clinical Application and Interpretation
- The authors propose using the minimum clinically important difference, the standard error of measurement, and the minimum detectable change as indicators for the clinical interpretation of test scores [1].
- Integrating standardized patient-reported outcomes into routine orthopaedic visits is feasible and improves practice efficiency by providing actionable objective data for shared decision-making [26].
- The ability to collect patient-reported outcome (PRO) data in real time and share this information with patients to inform clinical decision making represents the future of value-based healthcare, moving beyond research-focused assessments to guide treatment consistent with patient preferences [25].
- Promoting ownership and correct use of the measure by clinicians can potentially improve practice and the quality of care provided through patient-reported outcome measure data use in clinical decision-making [11].
Key Evidence
- [L5] The authors propose using the minimum clinically important difference, the standard error of measurement, and the minimum detectable change as indicators for the clinical interpretation of test scores. [1] (10.1136/bjsports-2012-091704)
- [Paper] Consensus was reached on how a comprehensive research question can be deduced from the design of a reliability study to determine how the results of a study inform us about the quality of the outcome measurement instrument at issue. [2] (10.1186/s12874-020-01179-5)
- [L4] Standardized health-related outcome measures require evidence for change and a way to interpret change within individuals or difference between groups. [3] (10.1016/j.rdc.2018.01.011)
- [L5] To assess test-retest reliability for patient-reported outcome measures, the two-way mixed-effect analysis of variance model with interaction for the absolute agreement between single scores is recommended. [4] (10.1007/s11136-018-2076-0)
- [L5] Clinicians must be cautious in accepting an MCID score at face value given the wide variability of established MCID scores available for a single outcome scale. [5] (10.1179/2042618612y.0000000001)
- [Paper] An appropriate and validated measure that is suitable for both the particular study population and the reason for collecting the PROMs data should be chosen. [6] (10.1136/bmj.c186)
- [L4] Outcomes assessed on numeric rating scales and reported with text-messages on mobile phones or with questionnaires completed with pen and paper provide comparable scores. [7] (10.1186/1471-2288-14-52)
- [L4] The current data collection of patient-reported outcome measures (PROMs) is neither uniform nor complete across the world's registries, which may impact data validity and the ability to compare outcomes. [8] (10.1097/corr.0000000000001918)
- [L5] The recommended approach is to estimate the minimal important difference based on several anchor-based methods, with relevant clinical or patient-based indicators, and to examine various distribution-based estimates (i.e., effect size, standardized response mean, standard error of measurement) as supportive information, and then to triangulate on a single value or small range of values for the MID. [9] (10.1186/1477-7525-4-70)
- [L5] Investigators can choose thresholds to dichotomize responses on HRQL based on absolute scores or change scores to facilitate interpretation. [10] (10.1186/1477-7525-4-62)
- [L2] This could promote ownership and correct use of the measure by clinicians, potentially improving practice and the quality of care provided through patient-reported outcome measure data use in clinical decision-making. [11] (10.1177/0269216313491619)
- [L5] The Minimal Clinically Important Difference (MCID) is a point estimate that should always be reported with its associated 95% CI, as there is no basis for considering a sample-derived MCID a singular threshold to be crossed. [12] (10.1177/03635465231189223)
- [L5] The minimal clinically important difference (MCID) is an imperfect solution to a complicated problem, and different methods used to calculate MCID lead to highly heterogeneous values. [13] (10.1177/03635465231189222)
- [L5] The minimal important difference (MID) is not an immutable characteristic but may vary by population and context, and no one MID may be valid for all study applications. [14] (10.1016/j.jclinepi.2007.03.012)
- [Paper] Physical outcome measures are being changed for the use of patient reported outcomes, and range of motion and strength are not as reliable measures as one would think. [15] (10.1016/j.injury.2019.11.017)
- [L5] Lack of consensus in the literature has lead to confusion about which measurement properties are relevant, which concepts they represent, and how to assess these measurement properties in terms of design requirements and preferred statistical methods. [16] (10.1016/j.jclinepi.2010.02.006)
- [L5] The minimal clinically important difference (MCID) is a low bar that patients do not seek when undergoing surgery; instead, they aim for substantial clinical benefit or a patient acceptable symptom state (PASS). [17] (10.1016/j.arthro.2023.10.014)
- [L5] Routine use of patient reported outcome measures (PROMs) has the potential to help transform healthcare. [18] (10.1136/bmj.f167)
- [L4] The high variability in scale choice and the use of measures not validated in pediatrics make comparative outcomes research difficult. [19] (10.1177/2325967119s00036)
- [L5] They advocate for conducting high quality systematic reviews on measurement instruments in which the best available outcome measurement instrument is recommended. [20] (10.1590/bjpt-rbf.2014.0143)
- [L5] Scores of tools to measure outcomes that matter to patients have been developed over the past 30 years but few are used routinely at the point of care. [21] (10.1136/bmj.g7818)
- [L2] Further studies are needed to provide validated outcome measures to ensure accuracy of the reported results and conclusions. [22] (10.1016/j.injury.2019.07.002)
- [L5] The authors propose a standardized reporting of patient-reported outcome measures (PROMs) that incorporates the minimum clinically important difference (MCID) and the patient acceptable symptom state (PASS), introducing a 'clinical relevance ratio' to report the proportion of patients achieving clinical importance rather than relying solely on mean changes. [23] (10.2106/jbjs.21.00030)
- [L5] The calculation of the minimal clinically important difference (MCID) needs to be correlated with changes in scores on the rating scale and external anchors. [24] (10.1177/03635465231193405)
- [L5] The ability to collect patient-reported outcome (PRO) data in real time and share this information with patients to inform clinical decision making represents the future of value-based healthcare, moving beyond research-focused assessments to guide treatment consistent with patient preferences. [25] (10.1007/s11999-016-4813-4)
- [L4] The authors conclude that integrating standardized patient-reported outcomes into routine orthopaedic visits is feasible and improves practice efficiency by providing actionable objective data for shared decision-making. [26] (10.1007/s11999-013-3143-z)
- [L4] Only 57% of primary medical providers are using patient reported outcome measures within their practice, with the information largely used for research rather than clinical decision-making. [27] (10.1177/2325967119s00107)
- [L5] The authors describe a systematic approach to triangulate on the Minimal Clinically Important Difference (MCID) using both distribution-based and anchor-based methods. [29] (10.1016/j.apmr.2019.12.008)
- [L4] Researchers, clinicians, and healthcare policy decision makers can consider using this instrument to evaluate the design, conduct, and analysis of studies estimating anchor based minimal important differences. [30] (10.1136/bmj.m1714)
- [L5] A 10-item CAT eliminated floor and decreased ceiling effects, achieving a small standard error (≤ 2.2) across scores from 20 to 50 with reliability ≥ 0.95 for a representative US sample. [31] (10.1016/j.jclinepi.2006.06.025)
- [L1] However, all PROMs require further validation studies to fill the gaps in their measurement properties. [32] (10.1016/j.ejvs.2014.12.002)
- [L4] The questionnaire was well understood by the respondents, and all scales met the required internal consistency criteria with Cronbach alpha coefficients equaling or exceeding 0.70. [33] (10.4103/0970-0218.106623)
- [L5] Comparative effectiveness research requires accurate assessments of patient numbers, follow-up completeness, clinical outcomes, and care settings. [34] (10.1007/s11999-013-3194-1)
- [L4] The assessment tool demonstrated construct validity by reliably discriminating between different levels of training, as senior trainees performed significantly better than junior trainees on the global rating scale. [35] (10.1016/j.rapm.2006.10.009)
- [L4] Recommendations for the selection of patient assessed measures of health outcome are needed. [36] (10.1136/bmj.324.7351.1417)
- [L2] Limiting follow-up to automated methods may have the potential to transform the way that outcome-based research is designed and conducted to provide substantially better research value in large prospective cohorts. [38] (10.2106/jbjs.19.00531)
- [L5] However, there are a number of challenges in using patient-reported outcomes in clinical practice. [39] (10.1007/s11136-008-9379-5)
- [L2] No key measure was identified to capture functional status, with 15 different tools utilized, highlighting the need for greater standardization of outcome measurement in musculoskeletal clinical practice, service evaluation and research. [40] (10.1002/msc.1200)
- [Paper] MCIDs expressed as effect sizes reduce bias, which mainly results from dependency on the baseline score. [41] (10.1016/j.jclinepi.2016.11.016)
- [Paper] The objectives are to assess the impact of the routine use of patient-reported outcomes in clinical practice on the process of care, patients' and professionals' experiences of care, and health outcomes. [42] (10.1002/14651858.cd011589)
- [L5] All item banks demonstrated good reliability across most of the score distributions. [43] (10.1016/j.jclinepi.2010.04.011)
- [L4] Providing access to PROM scores without clearly understanding how and why surgeons may consider using them can result in expensive and underused systems that add little value. [44] (10.1097/corr.0000000000002059)
- [L4] The reasons provided included a lack of knowledge on how to use PROMs and the perception that it is too time-consuming to add to regular clinical routine. [45] (10.1186/s13018-020-02135-1)
- [Paper] The MCID defines the smallest amount an outcome must change to be meaningful to patients. [46] (10.1001/jama.2014.13128)
- [L4] These limitations shed some light on why PROM use may not always improve patient outcomes and provide considerations for the design and implementation of future PROM initiatives. [47] (10.1007/s11136-021-03003-z)
- [L5] This editorial argues that Patient Reported Outcome Measures (PROMs) are critical for capturing the patient's perspective on health status, which cannot be observed through clinical tests or imaging. [48] (10.1136/bjsports-2014-093707)
- [L4] PROMIS measures are efficient and precise tools, and their use is expected to continue to increase across medical and surgical specialties as health systems and payers expand their definition of healthcare quality to include patient-reported health outcomes. [49] (10.5435/jaaos-d-24-00432)
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