Association between statin and events estimated by the case-cohort analysis using the stratified sample subcohort.

Abbreviations: HR, hazard ratio; CI, confidence interval; AST, aspartate aminotransferase; ALT, alanine aminotransferase. *Definition of event is given in Table 1. †Adjusted for age, male, switcher from other lipid-lowering drug, use of high daily dose, hypertension, diabetes, heart disease, liver disease and renal disease. ‡Estimates using “standard weights” in ref 20 are shown.