Table 2.
The perioperative outcome of patients in the NOSES group and LAP group.
| Variables | LAP (n = 144) | NOSES (n = 144) | P |
|---|---|---|---|
| Operation time (min, mean ± SD) | 135.8 ± 43.7 | 145.9 ± 42.1 | 0.153 |
| Estimated blood loss (ml, mean ± SD) | 40.5 ± 29.3 | 39.6 ± 34.3 | 0.832 |
| Lymph node harvest (mean ± SD) | 21.1 ± 8.0 | 20.8 ± 8.3 | 0.577 |
| Additional analgesia required [n (%)] | 18 (12.5) | 48 (33.3) | <0.001 |
| Time to recovery of gastrointestinal function (day, mean ± SD) | 3.6 ± 0.9 | 2.6 ± 0.8 | 0.037 |
| Postoperative hospital stay (day, mean ± SD) | 8.2 ± 2.4 | 7.8 ± 2.2 | 0.322 |
| Postoperative complication [n (%)] | 18 (12.5) | 13 (9.0) | 0.342 |
| Anastomosis leakage | 3 (2.1) | 6 (4.2) | 0.310 |
| Anastomotic bleeding | 2 (1.4) | 3 (2.1) | 1.000 |
| Ileus | 4 (2.8) | 3 (2.1) | 1.000 |
| Pneumonia | 2 (1.4) | 2 (1.4) | 1.000 |
| Surgical site infection | 18 (12.5) | 6 (4.2) | 0.011 |
| Incision-related complications | 12 (8.3) | 3 (2.1) | 0.017 |
| Pelvic abscess | 4 (2.8) | 3 (2.11) | 1.000 |
| Reoperation [n (%)] | 3 (2.1) | 2 (1.4) | 0.680 |
| Mortality [n (%)] | 0 (0) | 1 (0.7) | 1.000 |
| Pain score (VAS, mean ± SD) | |||
| POD1 | 3.4 ± 1.2 | 2.1 ± 1.3 | <0.001 |
| POD2 | 3.0 ± 1.1 | 2.0 ± 0.9 | <0.001 |
| POD3 | 2.1 ± 1.1 | 1.5 ± 0.9 | 0.011 |
| POD4 | 1.6 ± 0.8 | 1.4 ± 0.8 | 0.622 |
| POD5 | 1.4 ± 0.7 | 1.3 ± 0.8 | 0.763 |
VAS, visual analogue scale; POD, postoperative day.