Table 1.

Viremia in plasma samples positive for anti-HBcAg antibodies and negative for HBsAg according to the levels of anti-HBcAg and anti-HBsAg antibodiesa

Anti-HBc titerNo. positive/no. tested (%) for sample group:
0–30 IU of anti HBsAg/liter (n = 122)>30 IU of anti-HBsAg/liter (n = 45)All (n= 167)
1/1 (n = 94)0/640/300/94 (0)
≥1/10 (n = 73)10/580/1510/73 (14)
All (n = 167)10/122 (8)0/45 (0)10/167 (6)
  • a Statistical differences were evaluated by the Fisher exact test according to the Epi Info program, version 5.01b (Centers for Disease Control and Prevention, Atlanta, Ga.). Significance of column 1 compared with column 2 is P = 0.064; significance of row 1 compared with row 2 is P = 0.002.