Table 3.

Adjusted risk factors for the occurrence of histological chorioamnionitis in patients with preterm rupture of the membranes prior to 34 weeks of gestation. CI, confidence interval

Blood inflammatory markers	Adjusted odds ratio (95 % CI)	p-value
White blood cells	1.84 (0.35–9.7)	0.47
Neutrophils	1.69 (0.06–2.77)	0.35
Lymphocytes	0.21 (0.41–61.49)	0.21
C-reactive protein	1.07 (1.03–1.1)	< 0.001
Neutrophil-lymphocyte ratio	2.59 (1.85–3.62)	< 0.001