Retrospective Studies and Chart Reviews

OVERVIEW Retrospective studies are designed to analyse pre-existing data, and are subject to numerous biases as a result Retrospective studies may be based on chart reviews (data collection from the medical records of patients) Types of retrospective studies include: case series retrospective cohort studies (current or historical cohorts) case-control studies STATISTICAL ANALYSIS USED IN RETROSPECTIVE STUDIES Unadjusted, univariate, ‘simple’ or … Continue reading Retrospective Studies and Chart Reviews