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Patients' characteristics.
| Residents (N = 47) | Staff surgeons (N = 39) | p value | |
|---|---|---|---|
| Mean age, years (range) | 34 (9–80) | 37 (9–86) | 0.7 |
| Male sex (%) | 19 (40) | 16 (41) | 1 |
| Mean BMI, kg/m2 (range) | 21 (14–28) | 21 (16–34) | 1 |
| ASA-PS grade ≥ 3 (%) | 0 | 1 (3) | 0.5 |
| Previous history of abdominal surgery (%) | 2 (4) | 2 (5) | 1 |
| Abscess (%) | 6 (13) | 7 (18) | 0.6 |
| Fecolith (%) | 16 (34) | 13 (33) | 1 |
| Complicated appendicitis (%) | 13 (28) | 13 (33) | 0.6 |
BMI, body mass index.
ASA-PS, American Society of Anesthesiologists physical status.
