Group | Number of cases | Intraoperative | Abdominal closure | Postoperative |
Observation group | 39 | 36.62 ± 0.68 | 36.68 ± 0.58 | 36.50 ± 0.64 |
Control group | 39 | 35.04 ± 0.96 | 35.22 ± 0.54 | 35.32 ± 0.65 |
t | - | 7.356 | 10.091 | 7.085 |
P | - | 0.001 | 0.001 | 0.001 |