Table 1.
Univariate and bivariate analysis of demographics, operative information, and postoperative abdominal complications over mortality.
| Overall n = 189 | Died n = 28 (14.8%) | Discharged n = 161 (85.2%) | p-value | |
|---|---|---|---|---|
| Age: median (IQR) | 33.5 (22 – 50.5) | 40 (29 – 60) | 32.5 (22 – 48) | 0.04 |
| Male sex: n (%) | 156 (82.5%) | 22 (78.6%) | 134 (83.2%) | 0.5 |
| Current smoker: n (%) | 27 (17.9%) | 5 (29.4%) | 22 (16.4%) | 0.2 |
| HIV-positive: n (%) | 11 (12.1%) | 2 (13.3%) | 9 (11.8%) | 0.9 |
| Prior abdominal surgery: n (%) | 22 (12.2%) | 5 (19.2%) | 17 (11.0%) | 0.2 |
| Symptom-to-surgery time, days: median (IQR) | 3 (2 – 6) | 5 (2 – 7) | 3 (2 – 6) | 0.2 |
| Preoperative hemoglobin, g/dL: mean (SD) | 13.5 (3.4) | 12.7 (3.0) | 13.6 (3.4) | 0.2 |
| Any anemia: n (%) | 52 (34.0%) | 11 (45.8%) | 41 (31.8%) | 0.2 |
| Moderate/Severe anemia: n (%) | 28 (18.3%) | 7 (29.2%) | 21 (16.3%) | 0.1 |
| Consultant involved: n (%) | 118 (62.4%) | 14 (50.0%) | 104 (64.6%) | 0.1 |
| Unplanned re-operation: n (%) | 13 (6.9%) | 5 (17.9%) | 8 (5.0%) | 0.01 |
| Surgical site infection: n (%) | 13 (6.9%) | 1 (3.6%) | 12 (7.5%) | 0.5 |
| Intraabdominal complication: n (%) | 17 (9.0%) | 8 (28.5%) | 9 (5.6%) | <0.001 |
| Intraabdominal infection | 8 (4.2%) | 3 (10.7%) | 5 (3.1%) | |
| Anastomotic or repair leak | 11 (14.1%)* | 7 (25.0%) | 4 (2.5%) | |
| Fascial dehiscence | 6 (3.2%) | 1 (3.6%) | 5 (3.1%) | |
| Enterocutaneous fistula | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | |
| ASA Physical Status Classification: n (%) | 0.1 | |||
| 1 | 68 (44.4%) | 8 (34.8%) | 60 (46.2%) | |
| 2 | 54 (35.3%) | 8 (34.8%) | 46 (35.4%) | |
| 3 | 29 (19.0%) | 6 (26.1%) | 23 (17.7%) | |
| 4 | 1 (0.7%) | 1 (4.4%) | 0 (0.0%) | |
| 5 | 1 (0.7%) | 0 (0.0%) | 1 (0.8%) | |
| Wound Class: n (%) | 0.4 | |||
| Clean | 31 (16.5%) | 3 (10.7%) | 28 (17.5%) | |
| Clean-Contaminated | 34 (18.1%) | 4 (14.3%) | 30 (18.8%) | |
| Contaminated | 35 (18.6%) | 8 (28.6%) | 27 (16.9%) | |
| Dirty | 88 (46.8%) | 13 (46.4%) | 75 (46.9%) | |
| Postoperative disposition: n (%) | 0.008 | |||
| Ward | 153 (81.0%) | 17 (60.7%) | 136 (84.5%) | |
| HDU | 26 (13.8%) | 7 (25.0%) | 19 (11.8%) | |
| ICU | 10 (5.3%) | 4 (14.3%) | 6 (3.7%) | |
| Postoperative length of stay, days: median (IQR) | 6 (4 – 8) | 4 (1 – 9) | 6 (4 – 7) | 0.1 |
*
out of 78 patients undergoing bowel anastomosis or primary repair