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 titer | No. 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) | 0/64 | 0/30 | 0/94 (0) |
| ≥1/10 (n = 73) | 10/58 | 0/15 | 10/73 (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.