Table 6.

Multivariate logistic regression of significant factors

Variables	AOR (95% Confidence Interval)	P value
Maternal age < 20 years	0.183 (0.032–1.055	0.057
Parity	0.716 (0.118–4.336)	0.716
Twin gestation	1.908 (0.482–7.552)	0.358
UTI	1.775 (0.657–4.795)	0.258
Prolonged PROM	5.319 (2.320–12.195)	< 0.001
Pregnancy induced hypertension	7.805 (3.686–16.525)	< 0.001
APH	4.264 (1.517–11.986)	< 0.001
Previous preterm birth	1.407 (0.721–2.746)	0.317