Table 7 Supplementary analgesia in the studied groups
Supplementary fentanyl | Fentanyl group (n = 45) | Meperidine group (n = 45) | Clonidine group (n = 45) | Chi-square or analysis of variance | |
|---|---|---|---|---|---|
X2 and F | P-value | ||||
Post-operative requirement. number (%) | 17(37.7 %) | 6(13.3 %) | 21(46 %) | X2 = 13.9 | 0.0009 |
Mean total fentanyl usage (μg) | 18.8 | 6.6 | 23.3 | F = 9.54 | 0.027 |