Table 3.

Comparison of postoperative pain scoring between the two groups

Groups	Observation group (n=37)	Control group (n=33)	t	P
1 d after surgery	1.77±0.89	2.29±1.21	2.063	0.043
3 d after surgery	1.34±0.51	1.62±0.54	2.23	0.029
5 d after surgery	0.67±0.42	0.94±0.47	2.538	0.013
7 d after surgery	0.41±0.26	0.42±0.29	0.125	0.880