Table 1: HBV DNA in pregnant Beninese women divided on the basis of the presence/absence of HBV markers and DNA levels.

Group No. HBV Markers HBV DNA Positivity
> 20 IU/mL (95% CI) < 20 IU/mL (95% CI) Total (95% CI)
I 24 HBsAg positive 17 (70.8%) (52.60-88.99) 4 (16.7%) (1.78-31.62) 21 (87.5%) (74.27-100)
II 164 HBsAg negative (anti-HBc and/or anti-HBs positive) 25 (15.2%) (9.71-20.69) 21 (12.8%) (7.69-17.91) 46 (28.0%) (21.13-34.87)
III 32 HBsAg/anti-HBs/anti-HBc negative 1 (3.1%) (0.00-9.11) 0 (0%) (0.00-0.00) 1 (3.1%) (0.00-9.11)
Total 220 43 (19.5%) (14.26-24.74) 25 (11.4%) (7.20-15.60) 68 (30.9%) (24.79-37.01)