CST3 and cardiovascular disorder: Third, sex is another potential risk factor in aging adults, given that older females are reported to be at a greater risk for cardiovascular disease than age-matched men. However, based on current studies, we were unable to perform a subgroup analysis based on sex differences to further explore the effect of cystatin C on the prognosis of AMI patients after coronary revascularization in special group (male or female), future research may provide more references based on this topic.