TABLE 1.
Epidemiological characteristics of study populationa
| Characteristic | No. of patients | % of patients |
|---|---|---|
| Sex | ||
| Female | 20 | 15.0 |
| Male | 113 | 85.0 |
| Ethnic origin | ||
| Dutch | 52 | 39.1 |
| European | 14 | 10.5 |
| Egyptian | 39 | 29.3 |
| African | 10 | 7.5 |
| Other | 12 | 9.0 |
| Unknown | 6 | 4.5 |
| Risk factors | ||
| IDU | 43 | 32.3 |
| High-risk sexual behavior | 27 | 20.3 |
| Transfusion | 4 | 3.0 |
| Birth in a country where HCV is endemic | 49 | 36.8 |
| Unknown | 10 | 7.5 |
| HIV coinfection | ||
| Positive | 37 | 27.8 |
| Negative | 75 | 56.4 |
| Not tested | 21 | 15.8 |
| HCV-4 subtype | ||
| 4a | 46 | 34.6 |
| 4d | 71 | 53.4 |
| 4h | 1 | 0.8 |
| 4k | 2 | 1.5 |
| 4n | 1 | 0.8 |
| 4o | 1 | 0.8 |
| 4r | 3 | 2.3 |
| 4 (unrecognized subtype) | 1 | 0.8 |
| No PCR fragment | 7 | 5.3 |
| Total | 133 | 100.0 |
a
The median age of the subjects was 43 years (IQR, 36 to 48 years).