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. Author manuscript; available in PMC: 2012 Apr 4.

Published in final edited form as: J Head Trauma Rehabil. 2009 Jan-Feb;24(1):57–64. doi: 10.1097/HTR.0b013e3181957055

Table 1. Demographic information for the participant sample.

	APOE genotype

Demographic information	ε4	Non-ε4	t or (χ²)	P

N	16	30
Age	22.56 ± 3.76	25.23 ± 6.101	−1.769	.081
Gender (M/F)	13/3	29/1	(1.484)	.223
Education	12.50 ± 1.09	13.00 ± 2.11	−0.830	.411
Rank	3.53 ± 1.13	4.07 ± 1.46	−1.239	.223
Days from injury	38.73 ± 13.80	39.97 ± 12.40	−0.301	.765
Mild/moderate	8/8	13/17	(0.015)	.903