Table 5.

The level of IL-6 and TNF-α in each group before and after surgery

Groups	Cases	IL-6 (pg/ml)				TNF- α (ng/ml)
		Before surgery	1d after surgery	2d after surgery	Before surgery	1d after surgery	2d after surgery
Group C	24	45.26 ± 5.74	78.48 ± 9.46&	66.38 ± 7.52&	0.88 ± 0.18	1.49 ± 0.16&	1.38 ± 0.17&
Group P1	24	46.35 ± 6.27	71.42 ± 8.79*&	61.58 ± 5.82*&	0.86 ± 0.13	1.42 ± 0.12*&	1.33 ± 0.13*&
Group P2	25	45.81 ± 5.93	65.81 ± 7.68*	54.71 ± 6.24*	0.87 ± 0.15	1.37 ± 0.13*	1.26 ± 0.11*
Group P3	25	47.62 ± 7.13	64.98 ± 8.67*	55.78 ± 7.62*	0.85 ± 0.16	1.36 ± 0.14*	1.25 ± 0.12*

Note: ^*P <0.05, compared with Group C; &P <0.05, compared with Group P2 and P3.