Table 5.
Comparison of surgical outcomes and postoperative recovery in subgroup analysis
| Variable | Overall | Non-obese | Obese | ||||||
|---|---|---|---|---|---|---|---|---|---|
| LAG (n = 724) | TLG (n = 967) | P value | LAG (n = 557) | TLG (n = 698) | P value | LAG (n = 167) | TLG (n = 269) | P value | |
| Operation time (min) | 220.2 ± 33.5 | 210.0 ± 25.6 | <0.01 | 215.4 ± 32.9 | 205.4 ± 26.1 | <0.01 | 236.0 ± 30.9 | 221.7 ± 20.0 | <0.01 |
| Blood loss (mL) | 122.5 ± 39.8 | 117.1 ± 33.3 | <0.01 | 115.0 ± 35.5 | 112.1 ± 33.0 | 0.14 | 147.5 ± 43.3 | 130.3 ± 30.2 | <0.01 |
| Number of RLN | 34.7 ± 9.7 | 35.4 ± 9.4 | 0.11 | 34.6 ± 9.8 | 35.8 ± 9.8 | 0.04 | 34.9 ± 9.4 | 34.5 ± 8.3 | 0.64 |
| Time to first flatus (d) | 3.4 ± 0.9 | 3.3 ± 0.8 | 0.02 | 3.3 ± 0.8 | 3.2 ± 0.8 | 0.17 | 3.8 ± 0.9 | 3.5 ± 0.9 | <0.01 |
| Time to starting diet (d) | 4.4 ± 0.9 | 4.3 ± 1.1 | 0.08 | 4.3 ± 0.9 | 4.3 ± 1.1 | 0.63 | 4.8 ± 1.0 | 4.5 ± 1.1 | <0.01 |
| Postoperative hospital stay (d) | 9.3 ± 2.6 | 9.0 ± 1.9 | 0.03 | 9.1 ± 2.5 | 8.9 ± 2.0 | 0.12 | 9.9 ± 2.8 | 9.4 ± 1.8 | 0.03 |
LAG laparoscopic-assisted gastrectomy, TLG totally laparoscopic gastrectomy, RLN Regional lymph nodes