Predictive value of systemic immune-inflammation index and serum lactoferrin for postoperative survival in older patients with colon cancer

Table 9 Results of logistic regression analysis

Analysis type	Factor	β	SE	χ2	P value	OR	95%CI
Single factor	SII (> 650)	1.35	0.48	7.85	0.005	3.85	1.52-9.69
	LF (> 200)	1.12	0.49	5.33	0.021	3.07	1.26-7.46
	CRP (> 10)	0.95	0.52	3.24	0.072	2.59	0.95-7.04
	CEA (> 5.0)	1.27	0.54	5.61	0.018	3.55	1.19-10.46
	CA19-9 (> 37)	0.83	0.47	3.17	0.075	2.29	0.92-5.71
	Constant	-1.05	0.45	5.444	0.02	-	-
Multiple factors	SII (> 650)	1.23	0.48	6.5	0.011	3.42	1.39-8.39
	LF (> 200)	0.96	0.49	4.12	0.043	2.61	1.04-6.53
	CEA (> 5.0)	1.05	0.51	4.25	0.039	2.86	1.06-7.66
	Constant	-0.87	0.42	4.29	0.038	-	-

P < 0.05 indicated significant difference. SII: Systemic immune-inflammation index; CEA: Carcinoembryonic antigen; CA19-9: Carbohydrate antigen 19-9; CRP: C-reactive protein; LF: Lactoferrin.