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Assessing health status over time: impact of recall period and anchor question on the minimal clinically important difference of copd health status tools
BACKGROUND: The Minimal Clinically Important Difference (MCID) assesses what change on a measurement tool can be considered minimal clinically relevant. Although the recall period can influence questionnaire scores, it is unclear if it influences the MCID. This study is the first to examine longitud...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6019834/ https://www.ncbi.nlm.nih.gov/pubmed/29940980 http://dx.doi.org/10.1186/s12955-018-0950-7 |