Concepedia
BMC Geriatrics · 2015 · 36 citations · 24 references
Open access
24
A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation
Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · Journal of Chronic Diseases · 1987 · 48.8K citations
Prognostic Assessment, Longitudinal Studies, Prognostic Comorbidity +11
The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies
Erik von Elm, Douglas G. Altman, Matthias Egger et al. · PLoS Medicine · 2007 · 21.1K citations · Full text
Observational Studies, Retrospective Cohort Study, Meta-analysis +15
Assessment of Older People: Self-Maintaining and Instrumental Activities of Daily Living
M. P. Lawton, Elaine Brody · The Gerontologist · 1969 · 18.1K citations
Quality Of Life, Family Medicine, Physical Activity +23
Erik von Elm, Douglas G. Altman, Matthias Egger et al. · Annals of Internal Medicine · 2007 · 16.5K citations
A Short Portable Mental Status Questionnaire for the Assessment of Organic Brain Deficit in Elderly Patients†
Eric Pfeiffer · Journal of the American Geriatrics Society · 1975 · 5.3K citations