Table 3.

Comparison of the pain indexes and the perianal edema scores (score, x̅ ± sd)

Group	Pain index		Perianal edema score
	Before treatment	14 d after treatment	Before treatment	14 d after treatment
Control group (n=60)	6.73±1.52	2.23±0.34***	2.35±0.46	1.47±0.31***
Research group (n=60)	6.56±1.33	1.26±0.37***	2.23±0.34	0.96±0.22***
t	0.652	14.953	1.625	10.392
P	0.516	0.000	0.108	0.000

Note: Compared with the same group before the treatment;

^***P<0.001.