RESULTS	The 4-year cumulative primary event rate was 17.2 % in the PCI group and 15.6 % in the medical therapy group ( hazard ratio for death , reinfarction , or heart failure in the PCI group as compared with the medical therapy group , 1.16 ; 95 % confidence interval [ CI ] , 0.92 to 1.45 ; P = 0.20 ) .\