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Distribution of HBV, HCV and HIV markers according to age group
| Age group (yr) | Anti-HIV | HBsAg | Anti-HCV | |||
| n | (%) | n | (%) | n | (%) | |
| 20-29 | 10352 | (59.0) | 222 | (2.14)b | 50 | (0.48) |
| 30-39 | 4532 | (25.8) | 142 | (3.13)b | 21 | (0.46) |
| 40-49 | 1432 | (8.2) | 49 | (3.42)b | 5 | (0.35) |
| > 50 | 1229 | (7.0) | 18 | (1.47) | 4 | (0.33) |
| Total | 17545 | (100.0) | 431 | (2.46) | 80 | (0.46) |
P < 0.001 vs the group of older individuals (> 50 yr).
