Table II.

Characteristics and B19 genome prevalence of HIV-positive samples.

	Total (%)	B19-positive (%)	95% CI	HIV-positive blood donors				AIDS patients
				Total	B19-positive (%)	95% CI	Total	B19-positive (%)	95% CI
Gender
Male	453 (79.1)	20 (4.4)	2.5–6.3	332	16 (4.8)	2.5–7.1	121	4 (3.3)	0.1–6.5
Female	120 (20.9)	6 (5.0)	1.2–8.8	76	3 (3.9)	0–8.3	44	3 (6.8)	0–14.2
Total	573	26 (4.5)	2.8–6.2	408	19 (4.7)	2.7–6.8	165	7 (4.2)	1.1–7.3
Age
≤45	451 (78.7)	22 (4.9)	2.9–6.9	365	19 (5.2)	2.9–7.5	86	3 (3.5)	0–7.4
>45	71 (12.4)	3 (4.2)	0–8.9	30	0		41	3 (7.3)	0–15.3
Unknown	51 (8.9)	1 (2.0)	0–5.8	13	0		38	1 (2.6)	0–7.7
Year
Before 2007	109 (19.0)	4 (3.7)	0.2–7.2	82	3 (3.7)	0–7.8	27	1 (3.7)	0–10.8
2007	76 (13.2)	5 (6.6)	1.0–12.2	57	4 (7.0)	0.4–13.6	19	1 (5.3)	0–15.3
2008	169 (29.5)	4 (2.4)	0.1–4.7	135	4 (3.0)	0.1–5.9	34	0
2009	149 (26.0)	11 (7.4)	3.2–11.6	92	7 (7.6)	2.2–13.0	57	4 (7.0)	0.4–13.6
2010	70 (12.2)	2 (2.9)	0–6.8	42	1 (2.3)	0–6.8	28	1 (3.5)	0–10.3