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VAS score
| Group A mean (SD) | Group B mean (SD) | Mann–Whitney test Z value | p value | ||
|---|---|---|---|---|---|
| At 2 h | 4.8 (± 1.0) | 4.9 (± 1.10) | 0.686 | 0.493 | NS |
| 4 h | 3.9 (± 1.28) | 5 (± 0.47) | 8.227 | 0.000 | HS |
| 6 h | 1.4 (± 0.72) | 3.8 (± 1.31) | 16.373 | 0.000 | HS |
| 8 h | 0.4 (± 0.51) | 0.9 (± 0.82) | 5.280 | 0.000 | HS |
