Factors Associated With Recovery From Early Postoperative Delirium

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

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

Development and validation of a geriatric depression screening scale: A preliminary report

Jerome A. Yesavage, T. L. Brink, Terence L. Rose et al. · Journal of Psychiatric Research · 1982 · 14.8K citations · Full text

Geriatric Psychiatry, Geriatric Depression, Psychiatry +10

STUDIES OF ILLNESS IN THE AGED. THE INDEX OF ADL: A STANDARDIZED MEASURE OF BIOLOGICAL AND PSYCHOSOCIAL FUNCTION.

Sidney Katz · PubMed · 1963 · 11.9K citations

Clinical importance of changes in chronic pain intensity measured on an 11-point numerical pain rating scale

John T. Farrar, James P. Young, Linda LaMoreaux et al. · Pain · 2001 · 5.5K citations

Pain Therapy, Pain Medicine, Neuropathic Pain +18