Incidence of death and MI were comparable at 30 days , although smokers had significantly reduced risks of 30-day major bleeding ( hazard ratio [ HR ] : 0.80 , 95 % confidence interval [ CI ] : 0.67 to 0.96 ; p = 0.016 ) and 1-year mortality ( HR : 0.797 , 95 % CI : 0.65 to 0.97 ; p = 0.027 ) .