Table V.

Changes of IL-6 and TNF-α expression levels.

Expression levels	Control group (n=108)	Observation group (n=88)	t	P-value
IL-6 (ng/ml)
Before treatment	15.39±6.83	15.97±8.14	0.542	0.588
After treatment	13.32±5.35a	10.01±5.13a	4.388	<0.001
TNF-α (ng/ml)
Before treatment	21.59±5.59	20.22±9.13	1.291	0.198
After treatment	19.75±6.34a	17.11±5.02a	3.178	0.002

^aP<0.05, compared with the same group before treatment. IL-6, interleukin-6; TNF-α, tumor necrosis factor-α.