Table 2.

The comparison of serum CRP, C3, C4 and ferritin concentrations between preterm and term

	Preterm(n = 206)	Term(n = 412)	P a value
Serum CRP (mg/L)	18.38 ± 13.72	16.05 ± 9.24	0.029
Serum C3 (mg/L)	1334.03 ± 218.76	1314.22 ± 216.50	0.287
Serum C4 (mg/L)	271.25 ± 92.15	265.57 ± 86.12	0.451
Serum ferritin (ng/ml)	80.99 ± 85.14	71.37 ± 67.22	0.159

^a P values were determined by using the Student’s T test;