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Table 2 Hepatitis B vaccination response

From: Immunogenicity and safety of 4 vs. 3 standard doses of HBV vaccination in HIV-infected adults with isolated anti-HBc antibody

Outcomes 3-dose group (n = 27) 4-dose group (n = 27) p-value
Anamnestic response 7 (25.9%) 9 (33.3%) 0.551
High-level responders at week 4 0 (0%) 1 (3.7%) 1.000
Responders at week 28 23 (85.2%) 24 (88.9%) 1.000
High-level responders at week 28 12 (44.4%) 17 (63.0%) 0.172
GMT of anti-HBs Ab at week 4 (95% CI) 4.4 (2.1–8.4) 5.29 (2.4–10.8) 0.714
GMT of anti-HBs Ab at week 28 (95% CI) 63.8 (31.4–128.7) 209.8 (90.0–487.4) 0.030
  1. CI confidence interval, GMT geometric mean titer