Group A (n = 99) | Group B (n = 79) | Group C (n = 88) | P value | |
---|---|---|---|---|
Preoperative | 8.31 ± 0.76 | 8.25 ± 0.57 | 8.18 ± 0.27 | 0.872 |
Intraoperative | 8.01 ± 1.51 | 4.01 ± 1.21 | 4.20 ± 1.16 | 0.021 |
Immediately postoperative | 2.11 ± 0.53a | 2.01 ± 0.69a | 2.18 ± 0.35a | 0.735 |
Postoperative 2 days | 2.01 ± 0.62a | 2.15 ± 0.33a | 1.92 ± 0.71a | 0.646 |
P value | 0.012 | 0.011 | 0.009 |