Theoretical and empirical dimensions of the Aberdeen Glaucoma Questionnaire: a cross sectional survey and principal component analysis

BACKGROUND: To develop patient-reported outcome instruments, statistical techniques (e.g., principal components analysis; PCA) are used to examine correlations among items and identify interrelated item subsets (empirical factors). However, interpretation and labelling of empirical factors is a subj...

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Detalles Bibliográficos
Autores principales: Prior, Maria, Ramsay, Craig R, Burr, Jennifer M, Campbell, Susan E, Jenkinson, David J, Asoaka, Ryo, Francis, Jillian J
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2013
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4222643/
https://www.ncbi.nlm.nih.gov/pubmed/24268026
http://dx.doi.org/10.1186/1471-2415-13-72

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