Clinical effect of laparoscopic radical resection of colorectal cancer based on propensity score matching

Table 4 Comparison of postoperative inflammatory indexes between the two groups

Group	IL-6 (ng/L)		CRP (mg/L)		TNF-α (ng/L)
	Preoperative	24 h after surgery	Preoperative	24 h after surgery	Preoperative	24 h after surgery
Control group (n = 30)	8.49 ± 1.23	16.68 ± 4.22a	4.96 ± 1.22	21.24 ± 4.32a	24.81 ± 3.36	49.37 ± 7.58a
Observation group (n = 30)	9.06 ± 1.68	13.78 ± 2.34a	5.34 ± 1.41	18.96 ± 3.56a	23.92 ± 4.07	43.62 ± 5.68a
t	1.501	3.294	1.099	2.235	0.920	3.326
P value	0.139	0.002	0.276	0.029	0.361	0.002

^aP < 0.05, compared with the same group before surgery.

Data are shown as mean ± SD. IL-6: Interleukin-6; CRP: C-reactive protein; TNF-α: Tumor necrosis factor-α.