Table 2 Longitudinal evolution of anti-HBs levels after HBV vaccination in infants that acquired EBV infection within 12 or 24 months or remained EBV negative
Month 12 |  | EBV + | EBV− | P values | |
|---|---|---|---|---|---|
Number pz | n | 47 | 64 | Â | |
Anti-HBs IgG | (mlU/ml) | 101.7 ± 51.8 | 138.4 + 42.9 | 0.777 | |
Infants with anti-HBs > 10 mIU/ml | (n, %) | 41 (87.2 %) | 60 (92.2 %) | 0.523 | |
Month 24 |  | EBV + at month 12 | EBV + at month 24 | EBV− |  |
|---|---|---|---|---|---|
Number pz | n | 45 | 52 | 11 | Â |
Anti-HBs IgG | (mlU/ml) | 41.4 ± 45.4 | 49.4 ± 35.8 | 128.4 ± 71.4 | 0.139 |
Infants with anti-HBs > 10 mIU/ml | (n, %) | 36 (78.3 %) | 45 (86.5 %) | 11 (100 %) | 0.154 |
Anti-HBs evolution over time | Â | Â | Â | Â | |
 Maintainance or increase > 100mlU/ml | n, (%) | 21 (46.7 %) | 15 (28.8 %) | 7 (63.6.0 %) | 0.039 |
 Stable levels > 10 < 100 mlU/ml | n, (%) | 3 (6.7 %) | 4 (7.7 %) | 1 (9.1 %) | |
 Relevant decrease > 50 % | n, (%) | 14 (31.0 %) | 27 (51.9 %) | 3 (27.3 %) | |
 Poor response < 10 mlU/ml | n, (%) | 7 (15.6 %) | 6 (11.5 %) | 0 (0.0 %) | |