Comparison of the 4 subgroups after allocation based on the body mass index level
| Group A | Group B | Group C | Group D | |
|---|---|---|---|---|
| Length of stay | 7.45 ± 0.510 | 8.25 ± 1.070 | 11.85 ± 1.348 | 12.30 ± 0.865 |
| The time to first postoperative exhaustion | 3.40 ± 0.503 | 3.65 ± 0.489 | 4.25 ± 0.716 | 4.25 ± 0.444 |
| The time to first postoperative defecation | 4.30 ± 0.571 | 4.70 ± 0.571 | 4.95 ± 0.605 | 5.05 ± 0.510 |
| The time to return leukocyte count to normal | 4.40 ± 0.503 | 4.20 ± 0.523 | 6.55 ± 0.510 | 8.25 ± 0.716 |
| The time to stop decline of albumin | 3.60 ± 0.503 | 3.50 ± 0.513 | 4.65 ± 0.489 | 4.55 ± 0.510 |
| The time to stop intravenous nutrition | 5.00 ± 0.001 | 5.10 ± 0.308 | 7.00 ± 0.001 | 7.55 ± 0.510 |
| VAS score on the postoperative first day | 3.35 ± 0.489 | 2.80 ± 0.523 | 4.40 ± 0.503 | 4.70 ± 0.470 |