Table 2 The effects of vaccination on HBV infection.

From: Prevalence and influential factors of isolated hepatitis B core antibody positivity in a Chinese adult population

 

n

Current infection [n, (%)]

Previous infection [n, (%)]

IAHBc [n, (%)]

Total

61,247

4175 (6.82)

29,783 (48.63)

7540 (12.31)

Individuals born before vaccination (≥ 30 years old) [n, (%)]

55,486 (90.59)

4060 (7.32)

29,520 (53.20)

7527 (13.57)

Individuals born after vaccination (< 30 years old) [n, (%)]

5761 (9.41)

115 (2.00)

263 (4.57)

13 (0.23)

z/χ2

 

232.63

4942.25

860.34

P value

 

 < 0.001

 < 0.001

 < 0.001

  1. Current infection: HBsAg positive ( +). Previous infection: HBsAg negative but anti-HBc positive individuals. IAHBc HBsAg negative and anti-HBs negative but anti-HBc positive.
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