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| Parameter | Group A (n = 29) | Group B (n=29) | P |
|---|---|---|---|
| Duration of analgesia* | 192.52 (28.05) 5.21 | 318.17 (57.23) 10.62 | 0.000 |
| Total analgesic doses* | 5.97 (1.76) 0.327 | 3.62 (0.67) 0.126 | 0.000 |
| Nausea† | 8 (27.6) | 4 (13.8) | 0.331 |
Values are mean (standard deviation) standard error of mean, and P value calculated with Student's t-test;
Values are number (percentage) and P value calculated with Chi-square test.
