Table 3. Results of univariate and multivariate analyses to examine clinical parameters associated with executive function performance, composite speed and basal ganglia mI/Cr ratio.

Cerebral functionassessment result	Poorerexecutivefunction	Poorerexecutivefunction	FasterCompositespeed	FasterCompositespeed	Higher basalgangliamI/Cr ratio	Higher basalgangliamI/Cr ratio
	Univariate	Multivariate	Univariate	Multivariate	Univariate	Multivariate
Clinical parameter	p -value [95% CI]	p- value [95% CI]	p -value [95% CI]	p- value [95% CI]	p -value [95% CI]	p- value [95% CI]
aHCV study group	0.02 [0.09, 1.07]	0.001 [5.8, 20.1]	0.05 [−0.99, 0.00]	0.22 [−0.3, 0.1]	0.06 [−0.01, 0.32]	0.03 [0.02, 0.35]
Nadir CD4+ count,per 100 cell/uL increase	0.09 [−0.30, 0.02]	0.001 [−0.1, −0.02]	0.03 [−0.33, −0.02]	0.10 [−0.01, 0.00]	0.09 [−0.10, 0.01]	0.05 [−0.11, 0.00]
Current CD4+ count,per 100 cell/uL increase	0.70 [−0.12, 0.08]	−	0.05 [−0.20, −0.00]	0.78 [−0.05, 0.03]	0.83 [−0.05, 0.04]	−
Age, per 10 year increase	0.68 [−0.28, 0.18]	0.59 [−3.9, 2.2]	0.03 [0.02, 0.47]	0.20 [−0.30, 1.30]	0.45 [−0.12, 0.06]	−
Receiving cART	0.70 [−0.95, 0.65	0.37 [−18.8, 7.1]	0.42 [−0.47, 1.12]	0.79 [−0.34, 0.26]	0.58 [−0.14, 0.24]	−
Plasma VL,per 1000 c/mL increase	0.37 [−0.38, 0.14]	0.06 [−0.54, 0.01]	0.82 [−0.01, 0.01]	0.59 [−0.01, 0.01]	0.84 [−0.01, 0.01]	−
Time since HIV diagnosis,per 10 year increase	0.34 [−0.06, 0.02]	0.15 [−0.85, 0.13]	0.57 [−0.03, 0.05]	0.54 [−0.02, 0.01]	0.81 [−1.58, 1.25]	−