Group 1(ropivacaine alone)
Group 2 (ropivacaine plus fentanyl)
P value
Onset of the block (min)
17.4(2.0)
10.2(1.4)
0.001
15-22(17)
8-12(10)
Duration of the block(hours)
6.5(0.5)
9.5(0.5)
0.000
6-7(6)
9-10(9)
1.2(1.2)
0.8(0.8)
0.000
Pain score
0-3(1)
0-2(1)
Table 3:
Onset of the block, duration of the block, pain score.
