Table 2 Postoperative outcomes
Group 1 (n = 672) | Group 2 (n = 285) | Group 3 (n = 98) | P value | |
|---|---|---|---|---|
Operative time (minutes)* | 204.0 ± 55.5 | 204.8 ± 60.4 | 193.1 ± 62.1 | 0.183 |
Hospital stay (days)* | ||||
with complication | 7.9 ± 6.9 | 7.7 ± 5.4 | 9.2 ± 9.5 | 0.133 |
without complication | 7.2 ± 2.1 | 7.0 ± 1.5 | 7.2 ± 1.3 | 0.474 |
Type of gastrectomy | 0.693 | |||
Total | 48 | 24 | 6 | |
Subtotal | 624 | 261 | 92 | |
Reconstruction | 0.458 | |||
Billroth-I | 369 | 173 | 55 | |
Billroth-II | 246 | 87 | 36 | |
Roux-en-Y | 57 | 25 | 7 | |
Lymph node dissection | 0.461 | |||
D1+ | 33 | 19 | 4 | |
D2 | 639 | 266 | 94 | |
Retrieved lymph node (number) * | 37.5 ± 13.9 | 34.7 ± 14.2 | 33.5 ± 12.3 | 0.002 |
First flatus time (days) * | 2.8 ± 1.1 | 3.0 ± 1.1 | 2.9 ± 1.1 | 0.209 |
Post-operative transfusion | 20 | 8 | 6 | 0.231 |
Median follow-up duration (months, range) | 52.1 (1.5–136.0) | 52.3 (0.7–135.3) | 42.7 (4.7–117.4) | 0.033 |