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

Published in final edited form as: J Head Trauma Rehabil. 2015 Nov-Dec;30(6):E54–E66. doi: 10.1097/HTR.0000000000000118

Table 4.

Multivariable model of overall cognitive composite scores at 6 and 12 Months.

Variable	Parameter Estimate	Standard Error	t value	p value^*	95% Confidence Interval
*6 Months - Overall Composite (n=99), R² = 0.301*
Age	−0.12861	0.05222	−2.46	*0.0157*	(−0.23239 - −0.02484)
GCS	0.81936	0.2586	3.17	*0.0021*	(0.30545 - 1.33327)
Education	1.20842	0.39974	3.02	*0.0033*	(0.41403 - 2.00281)
Sex	0.74451	1.99352	0.37	0.7097	(−3.21720 - 4.70622)
rs1800497 Heterozygotes	3.06912	1.52202	2.02	*0.0468*	(0.04443 - 6.09382)
rs6279 G-carriers	−3.14798	1.53321	−2.05	*0.0430*	(−6.19491 - −0.10104)
*12 Months - Overall Composite (n=64), R² = 0.347*
Age	−0.11634	0.06158	−1.89	0.0641	(−0.23974 - 0.00706)
GCS	0.80359	0.32919	2.44	*0.0179*	(0.14387 - 1.46330)
Education	1.63697	0.53028	3.09	*0.0032*	(0.57426 - 2.69967)
Sex	1.85685	2.10617	0.88	0.3818	(−2.36400 - 6.07770)
rs1800497 Heterozygotes	4.61380	1.79217	2.57	*0.0128*	(1.02221 - 8.20539)
rs6279 G-carriers	−1.09666	1.78954	−0.61	0.5425	(−4.68299 - 2.48966)

Bolded p values, p<0.1. Bolded and italic p values, p<0.05.