Which statement(s) about operative mortality and perioperative incidence of myocardial infarction for elective CABG (X) versus emergency CABG following failed PTCA (Y) is/are accurate? | Surgery

A. The operative mortality is higher for Y but the incidence of perioperative myocardial infarction is unchanged between X and Y.
B. The operative mortality is unchanged between X and Y but the perioperative incidence of myocardial infarction is higher in Y.
C. The operative mortality and perioperative incidence is higher in X than in Y.
D. The operative mortality and perioperative incidence of myocardial infarction are no different for X and for Y.

Ans: C