. Author manuscript; available in PMC: 2014 Jul 30.

Published in final edited form as: J Dev Orig Health Dis. 2013 Apr;4(2):121–133. doi: 10.1017/S204017441200061X

Table 1. Rainbow Babies and Children’s Hospital Neonatal Intensive Care Admission and Survival Rates by Gestational Age for Children with Birth Weight <1000 grams.

Weeks GA	1982-1989		1990-1999		2000-2007
	Admits, n (%)	% Survival	Admits, n (%)	% Survival	Admits, n (%)	% Survival
21-24 wks	61 (15%)	39%	165 (25%)	53%	125 (25%)	59%
25-27 wks	245 (60%)	57%	393 (59%)	83%	290 (59%)	88%
28+ wks	105 (25%)	74%	104 (15%)	92%	80 (15%)	89%