Table 3.

Association of the gestational age and different factors based on both uni- and multivariate analyses

Gestational age	Univariate		Multivariate
	OR	P-value	P-value	OR	95% CI for OR
Sex	0.166	< 0.001	< 0.001	0.364	0.224 to 0.592
Monozygotic	0.038	0.474	-	-	-
Birth weight	0.314	< 0.001	0.046	0.287	0.084 to 0.98
Neonatal jaundice	0.228	< 0.001	0.129	0.688	0.425 to 1.115
Physical delay	0.104	0.005	0.411	2.067	0.366 to 11.677
Seizure	0.192	< 0.001	< 0.001	0.016	0.002 to 0.143
Amblyopia	0.151	< 0.001	0.109	0.577	0.295 to 1.13
Deviation	0.031	0.413	-	-	-
Ant. seg. anomaly	0.051	0.175	-	-	-
Post. seg. anomaly	0.086	0.021	0.676	0.586	0.048 to 7.179

Post posterior, Ant anterior, seg segment, OR odds ratio, CI confidence interval, P probability