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Comparison of serum levels of HBV DNA at study entry and at last visit in asymptomatic HBV carriers (controls) n (%)
| HBV DNA level (log10 copies/mL) | At study entry (n = 276) | At last visit (n = 276) | Z | P value |
| 1 undetectable | 186 (67.4) | 221 (80.1) | - 4.904 | P < 0.01 |
| 2 (2.69-3.99) | 46 (16.7) | 30 (10.9) | ||
| 3 (4.00-4.99) | 19 (6.9) | 9 (3.3) | ||
| 4 (5.00-5.99) | 4 (1.4) | 6 (2.2) | ||
| 5 (6.00-6.99) | 5 (1.8) | 3 (1.1) | ||
| 6 (≥ 7.00) | 16 (5.8) | 7 (2.5) |
