Figure 1

Propensity score-matched cohort study flow chart. S + E indicates individuals treated with simvastatin 20 mg plus ezetimibe 10 mg whereas S indicates those treated with simvastatin 20 mg alone. Of 8,136 subjects, 5,829 subjects without excluding criteria were first stratified by presence of diabetes. Matched S + E and S in the strata of diabetes and no diabetes remained in final analysis.