Table 3: Relationships between the samples with HBV DNA levels of > 20 and < 20 IU/mL in pregnant Beninese women divided on the basis of the presence/absence of HBV markers.

Group HBV Markers HBV DNA Positivity
Total > 20 IU/mL (95% CI) < 20 IU/mL (95% CI)
I HBsAg positive 21 17 (81.0%) (64.22-97.78) 4 (19.0%) (2.22-35.78)
II HBsAg negative (anti-HBc and/or anti-HBs positive) 46 25 (54.3%) (39.90-68.69) 21 (45.7%) (31.30-60.10)
III HBsAg/anti-HBs/anti-HBc negative 1 1 (100%) 0 (0%)
Total 68 43 (63.2%) (51.74-74.66) 25 (36.8%) (25.34-48.26)