Table 2: Time to first request of analgesia and total morphine consumption during the 24 postoperative hours in the two studied groups.

Group B
n=30
Group BD
n=30
p value
Time to first request of analgesia (hrs) 6 (4-14) 15 (4-20) < 0.001
Total Morphine consumption (mg) 4 (0-6) 0 (0-3) < 0.001

Data presented as median (range)