Table 2. Clinical and demographic characteristics of participants.
| Clear (n = 382) | CHB (n = 493) | P value | |
|---|---|---|---|
| Gender (M/F) | 174/208 | 408/85 | P < 0.001 |
| Age (Y), (n, mean±SD) | |||
| ≥35y | 382 (49.45 ±8.70) | 314 (44.05±7.94) | P< 0.001 |
| <35 | - | 179 (27.35±4.68) | |
| Drinkers, n (%) | 98 (25.65) | 136 (27.31) | P = 0.261 |
| HBsAg | All - | All + | |
| Anti-HBs IgG | All + | All - | |
| HBeAg, n (%) | All - | 95 (19.27) | |
| Anti-HBc IgG | All + | All + | |
| Family history no. (%) | No. | 70 (14.20) | |
| ALT (IU/L) | 32.16 (3.25) | 189.02 (328.76) | P < 0.001 |
| AST (IU/L) | 25.78 (7.90) | 163.52 (287.27) | P < 0.001 |
| HBV-DNA (copy/ml) | All - | 4.23 (1.61) |
M: male, F: female, Y: years, SD: standard deviation, no.: number, Clear: spontaneously recovered individuals with history of HBV infection, CHB: chronic hepatitis B patients. ALT: alanine transaminase, AST: aspartate aminotransferase, No means non-detected. The differences of clinical characteristics were calculated using chi-square test and independent sample t-test.