Table 5.

Comparison of postoperative pain scores.

Category	A (n = 168)	B (n = 169)	P value
6 hours after surgery	6.03 ± 0.72	5.94 ± 0.72	0.215
Day 1 after surgery	5.87 ± 0.61	5.71 ± 0.65	0.026
Day 2 after surgery	4.94 ± 0.85	3.65 ± 0.77	<0.001
Day 3 after surgery	3.82 ± 0.66	2.71 ± 0.74	<0.001
Day 4 after surgery	3.27 ± 0.77	2.35 ± 0.61	<0.001
Day 5 after surgery	2.77 ± 0.66	1.89 ± 0.57	<0.001