Prevalence of Occult Hepatitis B Virus Infection in a Cohort of HIV-Positive Patients Resident in Sicily, Italy
Table 1
Socio-demographic and serological characteristics of 405 HBsAg-negative/HIV-infected individuals.
Characteristic ( (%), by column)
No HBV markers
Anti-HBs + Anti-HBc
Anti-HBc alone
Anti-HBs alone
Anti-HCV
Study population (% by row)
405
183 (45.2)
88 (21.7)
71
63 (15.6)
98
Sex
Male
275 (67.9)
125 (68.5)
59 (66.7)
50 (70.4)
41 (64.1)
75 (76.5)
Female
130 (32.1)
58 (31.5)
29 (33.3)
21 (29.6)
22 (35.9)
23 (23.5)
M : F ratio
2.1
2.1
2.0
2.4
1.9
3.3
Age (years, median (IQR))
41.0 (14.2)
41.0 (12.5)
43.9 (14.4)
43.8 (11.2)
32.0 (20.2)
45.1 (5.8)
≤20 years
15 (3.7)
6 (3.3)
3 (3.4)
2 (2.8)
4 (6.3)
1 (1.0)
21–30 years
63 (15.5)
23 (12.6)
8 (9.1)
7 (9.9)
25 (39.7)
3 (3.1)
31–40 years
108 (26.7)
57 (31.1)
24 (27.3)
15 (21.1)
12 (19.0)
13 (13.3)
≥41 years
219 (54.1)
97 (53.0)
53 (60.2)
47 (66.2)
22 (34.9)
81 (82.7)
Mode of HIV transmission
Heterosexual
197 (48.6)
92 (50.3)
34 (38.6)
40 (56.3)
31 (49.2)
35 (35.7)
Homosexual
121 (29.9)
63 (34.4)
24 (27.3)
9 (12.7)
25 (39.7)
15 (15.3)
IVDU
71 (17.5)
21 (11.5)
23 (26.1)
21 (29.6)
6 (9.5)
44 (44.9)
Other/unknown
16 (4.0)
7 (3.8)
7 (8.0)
1 (1.4)
1 (1.6)
4 (4.1)
Geographic origin
Italy
335 (82.7)
160 (87.4)
67 (76.1)
51 (71.8)
57 (90.5)
91 (92.9)
Africa
63 (15.6)
20 (10.9)
17 (19.3)
20 (28.2)
6 (9.5)
7 (7.1)
Eastern Europe
4 (1.0)
2 (1.1)
2 (2.3)
0 (0)
0 (0)
0 (0)
Other
3 (0.7)
1 (0.5)
2 (2.3)
0 (0)
0 (0)
0 (0)
*Anti-HCV positive versus anti-HCV negative = 38.8% versus 10.7% (OR = 5.3, CI95%: 3.0–9.3, ). ∆/405 (7.2%): HIV/HCV coinfected subjects negative to all of the serological markers of HBV infection. IVDU: Intravenous drug use.
