Table 2 Comparison of preoperative and postoperative VAS scores in the studied groups
Groups | Mann–Whitney U test | |||
|---|---|---|---|---|
Group 1 N=22 | Group 2 N=24 | p value | ||
VAS score | ||||
Preoperative | Median | 8.0 | 7.0 | 0.155 |
IQR | 7.0–9.0 | 7.0–8.0 | ||
Mean rank | 26.32 | 20.92 | ||
Immediately postoperative | Median | 2.0 | 2.0 | 0.727 |
IQR | 2.0–3.0 | 2.0–3.0 | ||
Mean rank | 24.14 | 22.92 | ||
7 days after the operation | Median | 2.0 | 2.0 | 0.231 |
IQR | 2.0–2.0 | 2.0–2.5 | ||
Mean rank | 21.45 | 25.38 | ||
3 months after the operation | Median | 3.0 | 3.0 | 0.880 |
IQR | 2.0–3.0 | 2.0–3.0 | ||
Mean rank | 23.77 | 23.25 | ||
6 months after the operation | Median | 3.0 | 2.0 | 0.474 |
IQR | 2.0-3.0 | 2.0-3.0 | ||
Mean rank | 24.80 | 22.31 | ||
Friedman test** | <0.001* | <0.001* | ||