Table 3.
NSQIP risk factors in the study population
| NSQIP variables | All cases % (no.) | Mortalities % (no.) | p value | |
|---|---|---|---|---|
| Functional status | Independent | 96.2% (1216) | 87.9% (29) | 0.013 |
| Partially dependent | 3.2% (40) | 12.1% (4) | ||
| Totally dependent | 0.6% (8) | 0.0% (0) | ||
| Wound class | Clean | 55.0% (695) | 33.3% (11) | 0.003 |
| Clean/contaminated | 27.3% (345) | 27.3% (9) | ||
| Contaminated | 7.9% (100) | 12.1% (4) | ||
| Dirty | 9.8% (124) | 27.3% (9) | ||
| Steroid | 4.1% (52) | 12.1% (4) | 0.050 | |
| Ascites | 0.5% (6) | 9.1% (3) | 0.001 | |
| Sepsis | SIRS | 6.6% (84) | 21.2% (7) | < 0.001 |
| Sepsis | 4.7% (59) | 18.2% (6) | ||
| Septic shock | 1.0% (13) | 24.2% (8) | ||
| Ventilator | 1.3% (16) | 27.3% (9) | < 0.001 | |
| Disseminated cancer | 4.2% (53) | 24.2% (8) | < 0.001 | |
| Diabetes | 20.1% (254) | 39.4% (13) | 0.014 | |
| Hypertension | 48.7% (616) | 75.8% (25) | 0.002 | |
| CHF | 0.6% (8) | 3.0% (1) | 0.208 | |
| Dyspnea | At rest | 0.6% (7) | 3.0% (1) | 0.069 |
| Moderate exertion | 8.4% (106) | 15.2% (5) | ||
| None | 91.1% (1151) | 81.8% (27) | ||
| Smoker | 31.3% (396) | 39.4% (13) | 0.039 | |
| COPD | 7.5% (95) | 27.3% (9) | < 0.001 | |
| Dialysis | 2.4% (30) | 6.1% (2) | 0.194 | |
| ARF | 0.6% (8) | 6.1% (2) | 0.025 | |
| BMI | 30.4 ± 0.24 | 27.5 ± 1.54 | 0.054 | |