The @-year cumulative primary outcome event rate was not significantly different between the groups ( @ % -LSB- @ % CI , @ % -@ % -RSB- for aspirin vs @ % -LSB- @ % CI , @ % -@ % -RSB- for no aspirin ; hazard ratio -LSB- HR -RSB- , @ -LSB- @ % CI , @-@ @ -RSB- ; P = @ ) .