Pathogenesis, Natural History, Treatment, and Prevention of Hepatitis C

Figure 5. The white bars represent patients with genotype 1 and the few patients with genotypes 4, 5, and 6; the striped bars
represent patients with genotypes 2 and 3. Data are shown for 1744 patients (the number in each treatment group is given in
parentheses) from two large prospective clinical trials . Numbers at the top of the bars represent exact percentages.
Rates of sustained virologic response in patients with chronic hepatitis C treated with interferon-α for 24 weeks (IFN 24
wk) or 48 weeks (IFN 48 wk) or interferon-α plus ribavirin for 24 weeks (IFN and RBV 24 wk) or 48 weeks (IFN and RBV 48 wk),
by viral genotype.(49, 51)
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Ann Intern Med
February 15, 2000
vol. 132
no. 4
296-305