Table 2 Time to first request of rescue analgesic and total nalbuphine consumption/kg during the first post-operative 24Â h in the three study groups
|  | Group B (n = 20) | Group BF (n = 20) | Group BD (n = 20) | p value |
|---|---|---|---|---|
time to 1st rescue analgesia (hour) | 4.40 ± 1.054$# | 6.50 ± 1.43# | 8.90 ± 2.47 | < 0.001 |
total dose of nalbuphine in 1st 24 h (mg/kg) | 0.24 ± 0.08# | 0.20 ± 0.07# | 0.15 ± 0.00 | < 0.001 |