Table 1 Distribution of HBV infection according to age and clinical status
From: Risk factors for hepatitis B virus infection in Rio de Janeiro, Brazil
Age Category (years) | Acute | Non-Acute | ||||
|---|---|---|---|---|---|---|
Chronic | Past Infection | |||||
n | % | n | % | n | % | |
< 1–10 | 7 | 8.9 | 7 | 4.8 | 7 | 1.8 |
11–20 | 9 | 11.4 | 5 | 3.4 | 5 | 1.3 |
21–30 | 22 | 27.8 | 25 | 17.1 | 42 | 10.7 |
31–40 | 14 | 17.7 | 41 | 28.1 | 89 | 22.8 |
41–50 | 16 | 20.2 | 33 | 22.6 | 99 | 23.3 |
51–60 | 7 | 8.8 | 22 | 15.1 | 71 | 16.2 |
> 60 | 2 | 2.5 | 9 | 6.2 | 56 | 14.3 |
Unknown | 2 | 2.5 | 4 | 2.7 | 22 | 5.6 |
Total | 79 | 100.0 | 146 | 100.0 | 391 | 100.0 |