TABLE 4.

MRS data comparison between TBI and no-TBI groups

		HIV+ TBI+N = 17	HIV+TBI−N = 84	t value	p value
Frontal white matter	N-Acetylaspartate	1.18(0.13)	1.21(0.14)	0.85	.20
	myo-inositol	1.71(0.34)	1.63(0.40)	−0.84	.20
	Creatine	1.01(0.20)	0.97(0.15)	−0.75	.23
	Choline	1.06(0.17)	0.98(0.18)	−1.56	.06
Frontal gray matter	N-Acetylaspartate	1.04(0.16)	1.12(0.13)	2.18	.02∗
	myo-inositol	1.31(0.33)	1.42(0.28)	1.48	.93
	Creatine	1.00(0.19)	1.02(0.15)	0.56	.29
	Choline	0.79(0.19)	0.78(0.14)	−0.39	.35
Basal ganglia	N-Acetylaspartate	1.21(0.17)	1.29(0.13)	2.17	.02∗
	myo-inositol	1.35(0.21)	1.41(0.26)	0.73	.77
	Creatine	1.17(0.25)	1.21(0.21)	0.69	.25
	Choline	0.99(0.18)	0.97(0.15)	−0.48	.32

Note. Standard deviations in parentheses. MRS = magnetic resonance spectroscopy. TBI = traumatic brain injury. p < .05.