Table 3. Risk Factors for Postoperative Myocardial Infarction, 2009-2014.
| Risk Factor | Open Aortic Surgery | Infrainguinal Bypass | ||
|---|---|---|---|---|
| Odds Ratio (95% CI) | P Valuea | Odds Ratio (95% CI) | P Valuea | |
| Age >75 y | 1.32 (1.15-1.78) | <.001 | 1.36 (1.18-1.56) | <.001 |
| Diabetes requiring insulin | NA | 1.43 (1.25-1.64) | <.001 | |
| Hypertension | 1.79 (1.45-2.21) | <.001 | ||
| Renal insufficiency | 1.43 (1.15-1.78) | <.001 | 1.47 (1.28-1.68) | <.001 |
| Emergent case status | 1.67 (1.32-2.12) | <.001 | 1.48 (1.21-1.80) | <.001 |
| Anemia | NA | 1.28 (1.12-1.45) | <.001 | |
| ASA class | 1.44 (1.23-1.69) | <.001 | 1.53 (1.36-1.72) | <.001 |
Abbreviations: ASA, American Society of Anesthesiologists; NA, not applicable.
a
Because of the large sample sizes in this study, the P values for these comparisons involve multiple digits behind the decimal point. To maintain readability, we simplified the P values.