Comparison of VAS scores’ intergroup of pain, respectively, intraoperative period and 3 hours after the operation
| Groups | VAS scores (P50 (P25, P75)) | ||||
| Intraoperative period | 3 h | Score changes | t value | P value | |
| Group A | |||||
| Pain | 4 (3, 5) | 2 (0.5, 3) | 2 (1, 3) | 5.642 | 0.000 |
| Group B | |||||
| Pain | 4 (4, 5) | 4 (2, 4) | 1 (0, 1) | 4.315 | 0.001 |
Three hours after the operation showed different scores in each group and got lower VAS individually.
Z=−2.582; p=0.012.
VAS, Visual Analog Scale.