Age group in years

HBs Ag positive

No. (%)

HBs Ag negative No. (%)

Total No. (%)

[12 - 22]

70 (9)

699 (91)

769 (100)

[23 - 27]

72 (10)

666 (90)

738 (100)

[28 - 43]

63 (9)

626 (91)

689 (100)

Total

205

1991

2196