Table 2.

Intra and postoperative analgesic consumption in the three groups

Variable	Group C	Group I	Group P	P	P1	P2	P3
Intraoperative fentanyl consumption(µg)	83.3±21.9	43.7±11.2	55.5±19.3	<0.001*	<0.001*	<0.001*	0.001*
24 h postoperative rescue analgesia (morphine) (mg)	9.10±2.1	7.4±3.1	7.0±2.6	0.001*	0.008*	<0.001*	0.463
Onset of first postoperative rescue analgesia (h)	3.0±1.1	3.8±1.4	5.0±1.6	<0.001*	0.003*	<0.001*	0.001*

Data presented as mean±SD. P presented the comparison among the three groups. P1 presented the comparison between Group C and Group I. P2 presented the comparison between Group C and Group P. P3 presented the comparison between Group I and Group P. *Denoted statistically signficant difference (P<0.05)