Sustained Virologic Response
(ITT Population)
n = 224
n = 444
n = 453
29%
56%
44%
0%
20%
40%
60%
%
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..