Table 1

Hepatitis B markers

Anti-HBs (mU/ml)Anti-HBc-positive
⩾ 10GMC1-15095% confidence interval of GMC
Group A (n=44)
 Pre-vaccination18  (41%)257114-57928  (64%)
 After injection 236 (82%)9568-1344 (9%)
 After injection 342 (95%)257155-4260
Group B (n=41)
 Pre-vaccination29 (71%)248120-51328 (68%)
 After injection 235 (85%)5536-838 (20%)
 After injection 337 (90%)194116-3230
  • 1-150 Geometric mean concentration.