Prevalence and virological profiles of hepatitis B infection in human immunodeficiency virus patients

Table 3 Relationship between HBs antigen positivity and baseline characteristics

Baseline characteristics	Univariate analysis			Multivariate analysis
	HBsAg (+)1n = 66 (%)	HBsAg (-)1n = 425 (%)	P value	OR (95% CI)n = 491	P value
Age > 35 yr2	57.6	48	0.15	-	-
Gender, male	43.9	24	0.001	2.2 (1.3-3.8)	0.005
BMI < 18.5 kg/m2	34.9	21.7	0.06	-	-
WHO stage 43	13.6	3.8	0.003	3.2 (1.3-7.9)	0.01
AST > UNV	30.3	14.4	0.001	1.9 (1.02-3.6)	0.04
ALT > UNV	16.7	7.1	0.009	-	-
CD4+ T-cell < 200/mm3	34.9	20.9	0.01	-	-
HIV RNA ≥ 5 Log	59.1	42.8	0.02	1.5 (0.9-2.7)	0.12

¹HBsAg positive and HBsAg negative.

²median age.

³Stage four of World Health Organization (WHO) clinical classification or AIDS. BMI: Body mass index; AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; UNV: Upper normal value (50 UI/mL); HBsAg: HBs antigen.