Using existing questionnaires in latent class analysis: should we use summary scores or single items as input? A methodological study using a cohort of patients with low back pain

BACKGROUND: Latent class analysis (LCA) is increasingly being used in health research, but optimal approaches to handling complex clinical data are unclear. One issue is that commonly used questionnaires are multidimensional, but expressed as summary scores. Using the example of low back pain (LBP),...

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Detalles Bibliográficos
Autores principales: Nielsen, Anne Molgaard, Vach, Werner, Kent, Peter, Hestbaek, Lise, Kongsted, Alice
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Dove Medical Press 2016
Materias:
Original Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4853143/
https://www.ncbi.nlm.nih.gov/pubmed/27217797
http://dx.doi.org/10.2147/CLEP.S103330

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4853143/
https://www.ncbi.nlm.nih.gov/pubmed/27217797
http://dx.doi.org/10.2147/CLEP.S103330

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