Table 4.
Uncomplicated appendicitis
| Intracorporeal knotting | Hem-o-lock | Purse string suture | p value | |
|---|---|---|---|---|
| n = 180 | n = 87 | n = 421 | ||
| Age (years) | 42.3 + 17.2 | 41.6 + 19.0 | 40.2 + 18.6 | 0.425 |
| Female gender (n) | 95 (52.8%) | 46 (52.9%) | 219 (52.0%) | 0.980 |
| BMI | 23.0 + 3.5 | 22.0 + 3.2 | 22.4 + 3.4 | 0.169 |
| Initial body temperature (celsius) | 37.2 + 0.7 | 37.2 + 0.8 | 37.1 + 0.6 | 0.383 |
| White blood cell count | 13.5 + 4.9 | 13.4 + 4.6 | 13.2 + 4.3 | 0.794 |
| Time to onset of pain (days) | 1.1 + 0.8 | 1.4 + 1.0 | 1.5 + 1.4 | 0.005* |
| Co-morbidities (n) | 42 (23.3%) | 19 (21.8%) | 83 (19.7%) | 0.592 |
| Previous abdominal surgery (n) | 17 (9.4%) | 8 (9.2%) | 54 (13.1%) | 0.336 |
| ASA score | 1.7 + 0.6 | 1.8 + 0.6 | 1.6 + 0.6 | 0.030* |
| Operative time (min) | 75.5 + 49.3 | 71.0 + 32.5 | 68.1 + 45.4 | 0.193 |
| Intraoperative lavage (n) | 48 (26.7%) | 16 (18.4%) | 95 (22.6%) | 0.295 |
| Lavage volume (ml) | 130.2 + 91.5 | 212.5 + 205.3 | 118.5 + 92.4 | 0.007* |
| Drain usage (n) | 73 (40.6%) | 26 (29.9%) | 121 (28.7%) | 0.016* |
| Length of drainage (days) | 2.7 + 1.5 | 2.6 + 1.6 | 2.6 + 1.3 | 0.845 |
| Hospital stay (days) | 4.1 + 2.3 | 3.6 + 1.7 | 3.3 + 2.1 | 0.001* |
| Complications | 14 (7.8%) | 4 (4.6%) | 46 (10.9%) | 0.129 |
| Wound infection | 5 (2.8%) | 1 (1.1%) | 21 (5.0%) | 0.191 |
| 95% confidence interval | [0.4–5.2%] | [0–3.4%] | [2.9–7.1%] | |
| Intra-abdominal infection | 4 (2.2%) | 2 (2.3%) | 7 (1.7%) | 0.776 |
| 95% confidence interval | [0.1–4.4%] | [0–5.5%] | [0.4–2.9%] | |
| Readmission | 2 (1.1%) | 0 (0.0%) | 1 (0.2%) | 0.858 |
| Reoperation | 0 | 0 | 0 | |
| Mortality | 0 | 0 | 0 |
*p < 0.05