Table 3.

Comparison of postoperative analgesic requirement, total morphine consumption, patient satisfaction, and Visual Analog Scale score in Group A and Group B

	Mean±SD		P ‡
	Group A	Group B
First rescue analgesic requirement duration (h)	1.48±0.81	1.17±0.58	t=1.76 P=0.0833
Total morphine consumption (mg) at 24 h	22.78±4.72	31.53±6.42	t=6.212 P<0.0001
Total morphine consumption (mg) at 12 h	14.68±4.88	20.84±3.93	t=5.561 P<0.0001
Patient satisfaction (excellent/good/fair/poor)	9/15/6/2	6/9/12/5	χ=5.604 P=0.1326
VAS score (0.5 h)	5.18±1.21	6.24±2.23	t=2.363 P=0.0213
VAS score (1 h)	4.72±1.15	5.68±1.53	t=2.837 P=0.0061
VAS score (6 h)	3.74±0.96	5.18±1.27	t=5.117 P<0.0001
VAS score (12 h)	2.75±0.73	4.42±1.13	t=7.022 P<0.0001
VAS score (24 h)	2.31±0.82	3.95±0.93	t=7.482 P<0.0001

^‡P<0.005 was considered significant. SD=Standard deviation, VAS=Visual Analog Scale