. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Arch Dis Child Fetal Neonatal Ed. 2015 Nov 13;101(3):F201–F206. doi: 10.1136/archdischild-2015-308899

Table 3.

Estimation results from Logistic regression models with a random intercept

Covariate	NIDD		Death / NIDD
Covariate	Odds Ratio	95% Confidence Interval	Odds Ratio	95% Confidence Interval

Each one week increase in GA at birth	0.688	0.479 – 0.988	0.608	0.476 – 0.777
Presence of any marker of severity of illness^*	2.733	1.123 – 6.652	1.872	1.074 – 3.261
Higher cumulative number of severity of illness markers	2.065	1.275 – 3.346	1.672	1.204 – 2.322
Any anti-hyotensive therapy treatment	1.53	0.708 – 3.307	1.836	1.092 – 3.086
Expected BP rise (versus less than the expected rate)	0.71	0.347 – 1.454	0.904	0.548 – 1.493

NIDD = neurodevelopmental impairment or developmental delay; BP = blood pressure

one minute Apgar score ≤ 3, initial hematocrit ≤ 30%) any pH < 7.10 in the first 24 hours, a positive blood culture drawn within 72 hours of birth, or delivery room chest compressions