Fig. 1. The survival (Kaplan-Meier) curves for the primary endpoint during the fixed period of 30 days from the induction of anesthesia and surgery. After postoperative day 6, there were four additional events: one in the mivazerol-treated group and three in the placebo group. ( Top ) Myocardial infarction (MI) or death for all surgery groups. ( Bottom ) MI or death for patients undergoing vascular surgery.