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. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: Pediatr Radiol. 2018 Jan 15;48(3):374–382. doi: 10.1007/s00247-017-4052-1

Table 1.

Descriptive statistics stratified by group.

	Placebo		ESA		Term Controls
	Mean	SD	Mean	SD	Mean	SD
Test Age Scan 1 (years)	3.78	0.22	4.08	0.42	3.79	0.19
Test Age Scan 2 (years)	6.10	0.33	6.05	0.26	6.07	0.27
Gestational Age (weeks)	29.24	1.19	27.27	1.49	38.99	1.38
Maternal Age (years)	27.24	5.70	28.75	6.65	29.29	7.60
Maternal Education^*	4.76	1.30	4.81	1.28	5.33	1.39
Anglo/Hispanic	8/7		8/7		9/13

^*

Maternal Education: 1=less than high school; 2=some high school; 3=high school degree; 4=some college; 5=college degree; 6=graduate degree