Table 4.

Comparison of post-op block characteristics in both the groups

Post-op block characteristics (in minutes)	Group RD (n = 25)	Group RC (n = 25)	P
Mean time to two segmental regression	136.46 ± 8.12	128.08 ± 7.54	<0.05
Mean time for regression to bromage 1	246.72 ± 30.46	228.44 ± 27.18	<0.05
Mean time to sensory regression at S1	316.64 ± 40.36	296.72 ± 35.52	<0.05
Time to first rescue top-up	342.88 ± 29.16	310.76 ± 23.76	<0.05
Total dose of ropivacaine used (mg)	68.64 ± 17.42	82.52 ± 20.82	<0.05

*P<0.05-S, RC - Ropivacaine + clonidine, RD - Ropivacaine + dexmedetomidine