Follow-up of elderly gastric cancer post-radical surgery: Trauma, complications, and prognosis

Table 2 Comparison of trauma stress response indicators among three groups of patients, mean ± SD

Groups	Cases (n)	ET (ng/L)		NO (μmol/L)		CRP (mg/L)
		Before	After 12 hours	Before	After 12 hours	Before	After 12 hours
Control	40	1.05 ± 0.32	1.80 ± 0.58	10.08 ± 3.17	20.13 ± 3.40	21.15 ± 1.21	63.12 ± 12.58
Open surgery	25	1.04 ± 0.39	1.65 ± 0.53	10.11 ± 3.15	18.05 ± 2.45	21.30 ± 1.25	59.12 ± 11.37
Laparoscopic surgery	45	1.01 ± 0.35	1.39 ± 0.51	10.03 ± 3.11	16.13 ± 2.11	21.34 ± 1.18	50.10 ± 10.33
F value		0.149	6.232	0.006	22.925	0.279	14.367
P value		0.862	0.002	0.994	< 0.001	0.757	< 0.001

Quantitative data were compared across multiple groups using the F-test. ET: Endothelin; NO: Nitric oxide; CRP: C-reactive protein.