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

Table 5 Inflammation and nutrition-related indicators

Detection period	CRP (mg/L)	PAB (mg/L)	CRP low/high ratio (%)	PAB low/high ratio (%)	χ2/t	P value
Preoperative 3 days	8.23 ± 2.45	160.23 ± 20.34	80.65/19.35	29.03/70.97	3.561	0.062
Postoperative 1 week	12.56 ± 3.15	145.87 ± 18.76	69.35/30.65	50.00/50.00	4.23	0.027
Postoperative 1 month	9.45 ± 2.89	150.12 ± 22.45	74.19/25.81	45.16/54.84	2.893	0.089
Postoperative 3 months	6.78 ± 1.87	155.34 ± 19.53	84.68/15.32	35.48/64.52	5.114	0.01

P < 0.05 indicated significant difference. CRP: C-reactive protein; PAB: Prealbumin.