Table 1.

Demographic and disease-related variables: mean, standard deviation, and range

	Sex (F/M)	Age	Education	DRS	SES	Disease duration	CD4	Nadir CD4	LEDD (mg)	UPDRS-III
HIV (n = 42)	17/25	59.95	14.19	136.69	37.67	24.66	747.4	181.9		4.1
		(6.98)	(2.23)	(5.89)	(14.57)	(7.90)	296.4	156.3	na	4.3
		47–78	10–19	114–144	11–69	6–40	221–1576	0–600		0–19
PD (n = 41)	15/26	66.05	16.71	138.48	20.37	4.71			596.49	15.8
		(7.52)	(2.04)	(3.62)	(8.21)	(3.00)	na	na	(294.58)	7.7
		49–79	12–21	129–144	11–40	1–14			100–1440	5–36
CTRL (n = 37)	18/19	61.38	16.43	140.84	22.68					1.9
		(8.77)	(2.47)	(1.95)	(10.49)	na	na	na	na	2.7
		45–77	12–21	137–144	11–47					0–11
ANOVA/t test		F(2, 117) = 6.96, p = 0.0014	F(2, 117) = 15.56, p < 0.0001	F(2, 116) = 9.49, p = 0.0002	F(2,117) = 27.71, p < 0.0001	t(81) = 15.13, p < 0.0001				F(2, 113) = 75.14, p < 0.0001
Post-hoc t tests		PD > HIV, CTRL	HIV < PD, CTRL	HIV, PD < CTRL	HIV > PD, CTRL	HIV > PD				PD > HIV, CTRL

For Sex Likelihood Ratio Chi Square = 1.199, p = 0.550, ns; HIV group- n = 42 except CD4 n = 37, Nadir CD4 n = 36, UPDRS-III n = 40; PD group n = 41 except DRS n = 40, LEDD n = 40, UPDRS-III n = 40