Cohort Studies

Analysis, Cohort; Cohort Studies, Closed; Cohort Studies, Historical; Studies, Closed Cohort; Studies, Concurrent; Studies, Historical Cohort; Analyses, Cohort; Closed Cohort Study; Cohort Analyses; Cohort Study; Cohort Study, Closed
Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.