Table 3.
Factor | Univariate, OR (95% CI) |
p Value | Multivariate, OR (95%CI) |
p Value |
Age at HCV infection* (y) | ||||
⩽22 (ref) | 1 | |||
>22 | 0.91 (0.51–1.61) | 0.818 | — | — |
Sex | ||||
Female (ref) | 1 | |||
Male | 0.93 (0.50–1.86) | 0.838 | — | — |
Route of HCV transmission | ||||
Transfusion (ref) | 1 | |||
IDU | 1.25 (0.61–2.39) | 0.509 | — | — |
HIV positivity | 2.68 (1.40–5.12) | 0.003 | 2.88 (1.65–6.19) | 0.004 |
Duration of HCV (y) | ||||
⩽15 (ref) | 1 | |||
>15 | 4.67 (2.52–8.83) | <0.0001 | 4.07 (2.17–7.77) | <0.0001 |
ALT (IU/l)† | ||||
⩽ 80 (ref) | 1 | |||
> 80 | 2.96 (1.63–5.37) | <0.0001 | 3.20 (1.65–6.19) | 0.001 |
Alcohol (units/week)‡ | ||||
⩽20 (ref) | 1 | |||
>20 | 1.31 (0.77–2.65) | 0.382 | — | — |
Genotype | ||||
2, 3, 4 (ref) | 1 | |||
1 | 1.16 (0.54–2.57) | 0.669 | — | — |
HIV, human immunodeficiency virus; HCV, hepatitis C virus; IDU, injecting drug use; ALT, alanine aminotransferase; OR, odds ratio.
*Data also analysed in the model as continuous variable and did not show significant association.
†Upper limit of normal for ALT is 55 IU/l
‡ Data were analysed using different categories and did not show a significant association.