Sustained Virologic Response
 (ITT Population)
 n = 224
 n = 444
 n = 453
29%
56%
44%
0%
20%
40%
60%
Text Box: % Patients
% Patients
IFN a-2b
+ RBV
PEG-IFN a-2a
+ Placebo
PEG-IFN a-2a
+ RBV
P = 0.001 for all comparisons
Fried MW et al. N Engl J Med. 2002..