Table 3.
Abdominal pain severity and opioid consumption.
| Group N (n = 249) | Group P (n = 39) | P value | |
|---|---|---|---|
| Pain severity (NRS) | |||
| 1 h postoperatively | 5.5 ± 1.0 | 5.6 ± 1.1 | 0.794 |
| 1 d postoperatively | 5.9 ± 1.5 | 6.1 ± 2.2 | 0.484 |
| 3 d postoperatively | 4.5 ± 1.8 | 5.1 ± 2.0 | 0.084 |
| 5 d postoperatively | 3.3 ± 1.2 | 3.9 ± 2.0 | 0.125 |
| Opioid consumption, µg | |||
| Intraoperative | 87.0 ± 52.0 | 90.2 ± 55.9 | 0.737 |
| 1 h postoperatively | 49.9 ± 26.6 | 52.6 ± 31.4 | 0.627 |
| 1 d postoperatively | 80.8 ± 77.1 | 109.2 ± 130.8 | 0.194 |
| 3 d postoperatively | 80.5 ± 82.8 | 115.5 ± 133.5 | 0.120 |
| 5 d postoperatively | 79.0 ± 49.3 | 118.6 ± 79.0* | 0.004 |
All data are presented as mean ± SD. Group N: patients without postoperative rectal pain; Group P: patients with postoperative rectal pain; NRS: numeric rating scale. *P < 0.05 compared with Group N.