At risk for infection with non-B subtypes | ||||
---|---|---|---|---|
No risk | Non-Africans | Africans | Total | |
Number | 829 | 45 | 28 | 73 |
Sex (male) | 642 | 35 | 13 | 48 |
Mean age (years) (SD) | 38 (7) | 40 (6) | 37 (6) | 38 (6) |
Risk group | ||||
Injecting drug users | 452 | 10 | 0 | 10 |
Homosexuals | 262 | 26 | 2 | 28 |
Heterosexuals | 96 | 9 | 24 | 33 |
Transfusion | 3 | 0 | 0 | 0 |
Unknown | 14 | 0 | 2 | 2 |
Non-B subtypes | 0/145 | 7 (15.5%) | 20 (71.4%) | 27 (37%) |