Table 4 Subgroup comparison of the two surgery methods in different body mass index
Variables | BMI > 24 | P | BMI ≤ 24 | P | ||
|---|---|---|---|---|---|---|
RADG (n = 111) | LADG (n = 105) | RADG (n = 299) | LADG (n = 305) | |||
Age, years | 60.2 ± 10.5 | 60.4 ± 12.0 | 0.857 | 60.7 ± 11.1 | 60.4 ± 11.7 | 0.718 |
Gender, n (%) | 0.564 | 0.059 | ||||
Male | 76 (68.5) | 68 (64.8) | 208 (70.0) | 233 (77.9) | ||
Female | 35 (31.5) | 37 (35.2) | 91 (30.0) | 72 (32.1) | ||
BMI, kg/m2 | 27.0 ± 1.9 | 26.8 ± 2.1 | 0.292 | 21.5 ± 1.9 | 21.7 ± 2.0 | 0.172 |
Operative time, min | 214.8 ± 41.8 | 209.3 ± 42.9 | 0.336 | 196.5 ± 35.4 | 163.2 ± 36.5 | 0.000 |
Operative blood loss, mL | 142.2 ± 96.5 | 178 ± 102.6 | < 0.001 | 131.5 ± 90.2 | 158.6 ± 106.8 | < 0.001 |
Conversion, n (%) | 1 (0.2) | 5 (1.2) | 0.084 | 2 (0.4) | 1 (0.2) | 0.551 |
Time to first flatus, days | 2.8 ± 1.2 | 2.7 ± 1.1 | 0.261 | 2.8 ± 1.3 | 2.7 ± 1.4 | 0.219 |
Time to first liquid diet, days | 3.1 ± 1.2 | 3.4 ± 1.3 | 0.121 | 3.3 ± 1.3 | 3.0 ± 1.4 | 0.089 |
Postoperative hospital stay, day | 9.2 ± 3.8 | 9.3 ± 3.4 | 0.356 | 8.8 ± 3.6 | 9.2 ± 3.6 | 0.378 |
Retrieved LN number | 30.8 ± 12.5 | 27.1 ± 12.3 | 0.007 | 33.6 ± 13.1 | 31.8 ± 12.6 | 0.013 |
Retrieved supra-pancreatic LN | 13.3 ± 3.9 | 11.2 ± 4.8 | 0.001 | 13.5 ± 5.2 | 11.8 ± 5.6 | 0.002 |
Overall complications, n (%) | 18 (4.4) | 26 (6.3) | 0.215 | 38 (9.3) | 42 (10.2) | 0.638 |
Clavien-Dindo grade > II | 5 (1.2) | 14 (3.4) | 0.037 | 15 (3.7) | 12 (2.9) | 0.557 |
Postoperative mortality, n (%) | 1 (0.2) | 2 (0.5) | 0.563 | 2 (0.5) | 2 (0.5) | 1.000 |