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Table 3 Comparisons of operative characteristics between two groups

From: Delayed appendectomy versus early appendectomy in the treatment of acute appendicitis: a retrospective study

  Group A (≤ 8 hours) Group B (> 8 hours) P value
Laparoscopic appendectomy, case (%) 42 (23.7%) 43 (27.6%) 0.4513
Operation at night (22:00–06:00), case (%) 39 (22.0%) 8 (5.1%) <0.0001
Operating time (minute) 56.3 ± 21.8 53.5 ± 19.4 0.2236
Complicated appendicitis, case (%) 40 (22.6%) 28 (18.0%) 0.3408
Appendicoliths, case (%) 73 (41.2%) 55 (35.3%) 0.3097
Combined drainage, case (%) 44 (24.9%) 19 (12.2%) 0.0033