Table 2.
Operative data
| Total (N = 523) | Laparoscopic (N = 319) | Open (N = 204) | P* | |
|---|---|---|---|---|
| Conversion | 9 (1.7) | |||
| Surgeon | 0.380 | |||
| Consultant or resident under supervision | 452 (86.4) | 274 (85.9) | 178 (87.3) | |
| Resident alone | 71 (13.6) | 45 (14.1) | 26 (12.7) | |
| Operating time (mean, min) | 39.34 | 42.90 | 33.40 | 0.001# |
| Hospital stay (median, days) | 2 | 2 | 2 | 0.473# |
| (Range) | (1–30) | (1–16) | (1–30) | |
| Intraoperative diagnosis | 0.457 | |||
| Simple | 369 (70.6) | 224 (70.2) | 145 (71.1) | |
| Complicated | 154 (29.4) | 95 (29.8) | 59 (28.9) | |
| Antibiotics | 0.603 | |||
| No prophylaxis | 12 (2.3) | 9 (2.8) | 3 (1.5) | |
| Intraoperative | 374 (71.5) | 227(71.2) | 147 (72.1) | |
| Continued | (26.2) | 83 (26.0) | 54 (26.5) | |
| Histology | 0.302 | |||
| Normal | 14 (2.7) | 12 (3.8) | 2 (1.0) | |
| Simple | 404 (77.2) | 244 (76.5) | 160 (78.4) | |
| Necrosis | 42 (8.0) | 26 (8.2) | 16 (7.8) | |
| Perforation | 43 (8.2) | 23 (7.2) | 20 (9.8) | |
| Neoplasm | 3 (0.6) | 2 (0.6) | 1 (0.5) | |
| Other | 9 (1.7) | 5 (1.6) | 4 (2.0) | |
| No pathology | 8 (1.5) | 7 (2.2) | 1 (0.5) |
*χ2 test or Fisher’s exact test where appropriate
#Mann–Whitney U test