Table 2.

Comparison of serum inflammatory factors between the two groups [$\overline{x}\pm \text{s}$].

Group	N	IL-6 (pg·ml−1)		CRP (mg·L−1)		TNF-α (pg·ml−1)
		Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment
C group	25	220.86 ± 32.55	169.93 ± 26.32	3.49 ± 0.45	2.25 ± 0.23	2.94 ± 0.34	2.31 ± 0.32
R group	25	220.38 ± 31.67	132.75 ± 22.67	3.48 ± 0.39	1.39 ± 0.21	2.98 ± 0.32	1.38 ± 0.16
t		0.052	5.351	0.083	13.806	0.428	12.997
P		0.958	<0.001	0.933	<0.001	0.670	<0.001