Table II.
Operative parameters and postoperative outcomes in studied groups
| Parameter | Intraabdominal abscess | No abscess | P-value |
|---|---|---|---|
| No. of appendectomies/year in department: | |||
| > 50 | 41 (80.39%) | 3228 (70.68%) | 0.173 |
| < 50 | 10 (19.61%) | 1339 (29.32%) | |
| Residents vs. specialists | 26/25 (51%/49%) | 2008/2559 (44%/56%) | 0.309 |
| Operative time, median (IQR) [min] | 70 (50–90) | 54 (40–70) | 0.001 |
| Complicated vs. uncomplicated appendicitis | 36/15 (71%) | 1233/3334 (27%) | < 0.001 |
| Intraoperative periappendiceal abscess | 24 (47.05%) | 534 (11.7%) | < 0.001 |
| Intraoperative diagnosis: | < 0.001 | ||
| Unchanged appendix | 0 (0.0%) | 372 (8.14%) | |
| Purulent appendicitis | 18 (35.29%) | 3142 (68.98%) | |
| Gangrenous appendicitis | 20 (39.22%) | 846 (18.57%) | |
| Perforated/autoamputated appendix | 13 (25.49%) | 196 (4.31%) | |
| Intraoperative adverse events | 5 (9.80%) | 99 (2.17%) | 0.001 |
| Postoperative drainage | 48 (94%) | 3444 (75.41%) | 0.004 |
| Conversions | 4 (7.84%) | 290 (6.35%) | 0.883 |
| Reinterventions after primary procedure | 33 (64.71%) | 65 (1.42%) | < 0.001 |
| LOS, median (IQR) | 9 (4–13) | 3 (2–4) | < 0.001 |
| LOS > 8 days | 33 (64.71%) | 661 (14.48%) | < 0.001 |
| Readmissions | 21 (41.18%) | 95 (2.08%) | < 0.001 |