Journal of Chronic Diseases

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · 1987 · 49.9K citations

Public Health, Biostatistics, Clinical Classification Systems +15

Maximum utilization of the life table method in analyzing survival

Sidney J. Cutler, Fred Ederer · 1958 · 2.9K citations

Public Health, Biology, Biostatistics +12

Bias in analytic research

David L. Sackett · 1979 · 2.1K citations

Public Health, Biostatistics, Analytic Philosophy +10

Indices of relative weight and obesity

Ancel Keys, Flaminio Fidanza, Martti J. Karvonen et al. · 1972 · 2.1K citations

Public Health, Nutrition, Nutritional Sciences +8

Measuring change over time: Assessing the usefulness of evaluative instruments

Gordon Guyatt, Stephen D. Walter, Geoff Norman · 1987 · 1.9K citations

Education, Educational Assessment, Educational Measurement +12