Table 4.
Multivariate analysis of adverse perioperative outcome and mortality
| Unadjusted | Adjusted | P | |||
|---|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | ||
| Adverse perioperative outcome | |||||
| Prolonged ED-LOS (> 48 h) | 2.55 | (2.04 - 3.18) | 1.99 | (1.13 - 3.51) | 0.017 |
| Center | 2.56 | (1.99 - 3.29) | 1.55 | (1.16 - 2.06) | 0.003 |
| Preoperative medical conditions | |||||
| Hypertension | 2.12 | (1.71 - 2.64) | 0.97 | (0.73 - 1.28) | 0.807 |
| Diabetes | 2.07 | (1.58 - 2.71) | 1.19 | (0.85 - 1.64) | 0.308 |
| Renal Disease | 3.07 | (2.10 - 4.48) | 1.56 | (1.01 - 2.43) | 0.047 |
| Risk factors for 30-day mortalitya | |||||
| 1 or 2 risk factors | 3.77 | (2.83 - 5.01) | 4.20 | (2.75 - 6.41) | < 0.001 |
| ≥ 3 risk factors | 8.19 | (5.83 - 11.50) | 9.44 | (5.50 - 16.2) | < 0.001 |
| Preoperative interventions | |||||
| Number of assesments | 1.07 | (1.06 - 1.08) | 1.05 | (1.04 - 1.07) | < 0.001 |
| Duration of surgery | 1.35 | (1.24 - 1.48) | 1.20 | (1.09 - 1.31) | < 0.001 |
| Mortality | |||||
| Prolonged ED-LOS (> 48 h) | 1.50 | (1.07 - 2.10) | 2.52 | (0.91 - 7.01) | 0.076 |
| Center | 2.07 | (1.37 - 3.14) | 1.28 | (0.82 - 2.00) | 0.271 |
| Preoperative medical conditions | |||||
| Diabetes | 1.65 | (1.11 - 2.46) | 1.19 | (0.77 - 1.83) | 0.442 |
| Renal Disease | 2.87 | (1.80 - 4.57) | 1.94 | (1.16 - 3.24) | 0.012 |
| Risk factors for 30-day mortalitya | |||||
| 1 or 2 risk factors | 3.87 | (2.23 - 6.72) | 4.63 | (2.12 - 10.08) | < 0.001 |
| ≥ 3 risk factors | 8.31 | (4.67 - 14.78) | 8.88 | (3.83 - 20.59) | < 0.001 |
| Preoperative interventions | |||||
| Number of assesments | 1.01 | (1.01 - 1.02) | 1.01 | (1.00 -1.01) | 0.004 |
| Abdominal surgery | 3.72 | (2.12 - 6.53) | 3.46 | (1.93 - 6.20) | < 0.001 |
| Duration of surgery | 1.2 | (1.09 - 1.33) | 1.14 | (1.02 - 1.27) | 0.019 |
aRisk factors as defined by VISION study [3]: Age ≥ 65 years, history of coronary artery disease, congestive heart failure, PVD, stroke, COPD, active cancer and major general surgery