TNNI3 and pulmonary edema: When the RCRI score was reclassified by summing the RCRI and peak cTnI ≥ 45 ng/L, The area under the ROC curve for predicting postoperative cardiac events (cardiac death/MI/pulmonary edema) was 0.636 (95% CI 0.600–0.672) for RCRI.