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Revised Cardiac Risk Index (RCRI)
| Adapted from Lee et al.9 | |
| Risk factors | |
| Ischemic heart disease | |
| Congestive heart failure | |
| Cerebrovascular disease | |
| Diabetes mellitus requiring preoperative insulin | |
| Serum creatinine > 2.0 mg/dL | |
| High-risk surgery (Intraperitoneal, intrathoracic or suprainguinal vascular) | |
| RCRI Classification | Event Rate (%) |
| Low risk (0 factors) | 0.5 |
| Low risk (1 factor) | 1.3 |
| Intermediate risk (2 factors) | 3.6 |
| High risk (3 or more factors) | 9.1 |
