Table 1.

Socio-demographic characteristics of patients with HIV infection and controls.

Variables	Case group		Control group
	N	%	n	%	P value
Age
18 – 28 old	5	11	9	19
29 – 38 old	10	22	12	25
39 – 48 old	21	46	16	34	0.912*
49 – 58 old	8	17	8	17
59 - 78 old	2	4	2	4
Gender
Male	28	60	29	62	1.000
Female	18	40	18	38
Skin color
White	22	49	41	87	0.003**
Not White	18	39	6	12
Uninformed	6	13	0	0
Marital status
Single	24	52	17	36
Married	15	32	28	60
Divorced	3	6	2	4	0.086
Widower	2	4	0	0
Uninformed	2	4	0	0
Origin
Curitiba city	30	65	31	66	0.000**
Others cities	16	34	16	34

^*ANOVA (p<0.05)

^**Mann-Whitny U test (p<0.05)