How strong should my anchor be for estimating group and individual level meaningful change? A simulation study assessing anchor correlation strength and the impact of sample size, distribution of change scores and methodology on establishing a true meaningful change threshold.

Griffiths, Pip; Sims, Joel; Williams, Abi; Williamson, Nicola; Cella, David; Brohan, Elaine; Cocks, Kim

Griffiths, Pip; Sims, Joel; Williams, Abi; Williamson, Nicola; Cella, David; Brohan, Elaine; Cocks, Kim.

Afiliação

Griffiths P; IQVIA, Patient Centered Endpoints, Reading, UK.
Sims J; Adelphi Values, Patient-Centered Outcomes, Bollington, Cheshire, UK. joel.sims@adelphivalues.com.
Williams A; Adelphi Values, Patient-Centered Outcomes, Bollington, Cheshire, UK.
Williamson N; Adelphi Values, Patient-Centered Outcomes, Bollington, Cheshire, UK.
Cella D; Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
Brohan E; Adelphi Values, Patient-Centered Outcomes, Bollington, Cheshire, UK.
Cocks K; Adelphi Values, Patient-Centered Outcomes, Bollington, Cheshire, UK.

Qual Life Res ; 32(5): 1255-1264, 2023 May.

Article em En | MEDLINE | ID: mdl-36401757

Assuntos

Qualidade de Vida; Humanos; Tamanho da Amostra; Qualidade de Vida/psicologia; Curva ROC

Palavras-chave

Anchor correlation; Anchor relationship; Meaningful change threshold; Minimal important change

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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Qualidade de Vida Tipo de estudo: Guideline / Prognostic_studies Limite: Humans Idioma: En Revista: Qual Life Res Assunto da revista: REABILITACAO / TERAPEUTICA Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Reino Unido

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