The combined ALT and HCV-RNA end-of-treatment and sustained responses were observed to be greater for treatment with 15 microg CIFN ( 59.0 % and 55.7 % , respectively ) compared to IFN alpha-2a ( 36.1 % and 39.3 % , respectively ; P = 0.01 for the end-of-treatment , P = 0.07 for the sustained response ) .
