Table 1 Demographics.
Variables | Si/Xi (n = 118) | SP (n = 216) | Total (N = 334) | P-value |
|---|---|---|---|---|
Age (year) | 44.14 ± 11.41 | 47.34 ± 11.26 | 46.21 ± 11.40 | 0.014 |
Sex, male (%) | 32 (27.1%) | 94 (43.5%) | 126 (37.7%) | 0.003 |
BMI (kg/m2) | 23.85 ± 3.95 | 27.09 ± 27.61 | 25.95 ± 22.36 | 0.205 |
ASA (%) | Â | Â | Â | 0.286 |
 0 | 1 (0.8%) | 0 | 1 (0.3%) |  |
 1 | 98 (83.1%) | 188 (87.0%) | 286 (85.6%) |  |
 2 | 19 (16.1%) | 28 (13.0%) | 47 (14.1%) |  |
Previous lower abdominal surgery | 6 (5.1%) | 4 (1.9%) | 10 (3.0%) | 0.195 |
Preoperative diagnosis | Â | Â | Â | 0.014 |
 Polyp | 56 (47.5%) | 63 (29.2%) | 119 (35.6%) |  |
 Gallstone | 59 (50.0%) | 139 (64.4%) | 198 (59.3%) |  |
 Polyp and stone | 2 (1.7%) | 7 (3.2%) | 9 (2.7%) |  |
 Chronic cholecystitis | 0 | 2 (2.3%) | 2 (0.6%) |  |
 Acute cholecystitis | 1 (0.8%) | 5 (2.3%) | 6 (1.8%) |  |
Preoperative ERCP | 2 (1.7%) | 7 (3.2%) | 9 (2.7%) | 0.404 |
