Newborn gender as a predictor of neonatal outcome in mixed gender twins born with very low birth weight

BMC Pediatrics

Table 4 Association between Variables and Outcomes^a

				95% Confidence Interval of the Difference
Variable	Parameter	Significance	Exp (Coefficient)	Lower	Upper
Mortality	Gender	0.630	0.721	0.188	2.757
	GA	0.020	0.478	0.257	0.887
	Weight	0.507	0.998	0.993	1.003
	Order	0.965	1.030	0.269	3.941
RDS	Gender	0.819	0.935	0.526	1.663
	GA	0.000	0.510	0.376	0.692
	Weight	0.284	1.001	0.999	1.003
	Order	0.858	0.949	0.534	1.687
BPD	Gender	0.364	1.329	0.717	2.465
	GA	0.105	0.799	0.609	1.048
	Weight	0.059	0.998	0.996	1.000
	Order	0.784	1.090	0.587	2.024
NEC	Gender	0.178	3.566	0.558	22.790
	GA	0.283	1.240	0.836	1.839
	Weight	0.003	0.992	0.988	0.997
	Order	0.912	1.117	0.157	7.939
ROP	Gender	0.194	1.582	0.789	3.171
	GA	0.000	0.364	0.211	0.600
	Weight	0.101	0.997	0.995	1.000
	Order	0.707	0.873	0.430	1.776
PVH/IVH	Gender	1.000	1.000	0.207	4.838
	GA	0.474	0.474	0.205	1.096
	Weight	1.000	1.000	0.994	1.007
	Order	1.670	1.670	0.352	7.920
PVL	Gender	0.632	0.635	0.098	4.125
	GA	0.732	0.895	0.471	1.700
	Weight	0.762	0.999	0.994	1.004
	Order	0.550	1.764	0.270	11.513
Resuscitation in delivery room	Gender	0.165	0.709	0.436	1.153
	GA	0.007	0.614	0.431	0.875
	Weight	0.736	1.000	0.998	1.001
	Order	0.960	1.012	0.626	1.637

^aAnalyzed by a mixed model for logistic regression
Boldface- P value <0.05, considered significant
BPD bronchopulmonary dysplasia, NEC necrotizing enterocolitis, PVH/IVH periventricular/intraventricular hemorrhage grade 3–4, PVL periventricular leukomalacia, RDS respiratory distress syndrome, ROP retinopathy of prematurity stages 2–4, RDS respiratory distress syndrome, GA gestational age

ISSN: 1471-2431