Table 5 The incidences of VBIs in different groups by the initial anti-HBs levels of the children
Initial anti-HBs level (mIU/mL) | Overall | 10–99.99 | 100–999.99 | ≥ 1000 | Pa |
|---|---|---|---|---|---|
Overall | |||||
Number | 454 | 38 | 247 | 169 | |
VBIs, n (%) | 31 (6.83%) | 6 (15.79%) | 20 (8.10%) | 5 (2.96%) | 0.004 |
Overt or occult HBV infection, n (%) | 14 (3.08%) | 2 (5.26%) | 9 (3.64%) | 3 (1.78%) | 0.324 |
Nonbooster group | |||||
Number | 252 | 16 | 132 | 104 | |
VBIs, n (%) | 30 (11.90%) | 6 (37.50%) | 19 (14.39%) | 5 (4.95%) | < 0.001 |
Overt or occult HBV infection, n (%) | 14 (5.56%) | 2 (12.50%) | 9 (6.82%) | 3 (2.88%) | 0.104 |
Booster group | |||||
Number | 202 | 22 | 115 | 65 | |
VBIs, n (%) | 1 (0.50%) | 1 (4.55%) | 0 | 0 | 0.109 |
Overt or occult HBV infection, n (%) | 0 | 0 | 0 | 0 | – |