Efficacy of laparoscopic radical resection of colorectal cancer in older patients and its effects on inflammatory factors

Table 6 Inflammatory factors in the two groups

Indicators	Control group (n = 50)	Research group (n = 54)	t	P value
TNF-α (ng/L)
Before surgery	494.90 ± 90.86	501.65 ± 87.21	0.387	0.700
After surgery	446.36 ± 55.33	355.94 ± 69.70	7.289	< 0.001
hs-CRP (mg/L)
Before surgery	7.80 ± 2.27	7.27 ± 2.28	1.187	0.238
After surgery	6.27 ± 1.99	5.22 ± 1.41	3.123	0.002
IL-6 (μg/L)
Before surgery	351.98 ± 44.19	359.65 ± 59.62	0.741	0.461
After surgery	309.06 ± 44.88	220.09 ± 38.14	10.920	< 0.001

TNF-α: Tumor necrosis factor-α; hs-CRP: High-sensitivity C-reactive protein; IL-6: Interleukin-6.