Table 2

Response rates at the end of treatment and sustained response after one year of follow up

Response rateGroup A (IFN+riba) (n=44)Group B (IFNi+riba) (n=46)Group C (IFNi+riba+ama) (n=24)Group C minus group A and B rate (95% CI)p Value*
*Group C versus groups A and B.
IFN, interferon; IFNi, interferon induction; riba , ribavirin; ama, amantadine; HCV, hepatitis C virus.
End of treatment (overall) 11 (25%) 13 (29%) 16 (67%)40% (19–61%)0.001
    HCV genotype 126% (6/31)30% (10/33) 53% (9/17)28% (3–53%)0.054
    HCV genotype non-123% (5/13)23% (3/13)100% (7/7)70% (29–111%)0.004
    Chronic hepatitis33% (11/33)38% (13/34) 69% (11/16)33% (6–60%)0.034
    Cirrhosis 0% (0/11) 0% (0/12) 62.5% (5/8)62% (33–92%)0.001
One year follow up (overall) 1 (2%) 2 (4%) 6 (25%)22% (10–34%)0.002
    HCV genotype 1 3% (1/33) 12% (2/17)
    HCV genotype non-1 8% (1/13) 8% (1/13) 57% (4/7)
    Chronic hepatitis 3% (1/33) 6% (2/34) 31% (5/16)
    Cirrhosis 12.5% (1/8)