Table 2. Postoperative outcomes relative to the occurrence of unpredicted death.
| Variable | Unpredicted death | P | |
|---|---|---|---|
| No, N=36,686 | Yes, N=237 | ||
| Number of complications, median [IQR] | 0 [0–0] | 2 [1–3] | <0.001 |
| Days from surgery to death, median [IQR] | – | 10 [6–18] | – |
| Return to OR | 1,040 (2.8%) | 72 (30.4%) | <0.001 |
| Renal failure | 77 (0.2%) | 55 (23.2%) | <0.001 |
| Organ space SSI | 3,019 (8.2%) | 43 (18.1%) | <0.001 |
| Pneumonia | 807 (2.2%) | 41 (17.3%) | <0.001 |
| Myocardial infarction | 169 (0.5%) | 20 (8.4%) | <0.001 |
| Renal insufficiency | 136 (0.4%) | 14 (5.9%) | <0.001 |
| Pulmonary embolism | 394 (1.1%) | 13 (5.5%) | <0.001 |
| Sepsis | 1,534 (4.2%) | 12 (5.1%) | 0.51 |
| CVA/stroke | 53 (0.1%) | 5 (2.1%) | <0.001 |
| UTI | 824 (2.2%) | 5 (2.1%) | 1.00 |
| Superficial SSI | 1,325 (3.6%) | 4 (1.7%) | 0.16 |
| Deep SSI | 285 (0.8%) | 3 (1.3%) | 0.44 |
| Wound disruption | 182 (0.5%) | 1 (0.4%) | 1.00 |
IQR, interquartile range; OR, operating room; SSI, surgical site infection; CVA, cerebrovascular accident; UTI, urinary tract infection.