SVR24 rates in Arms A , B , C , D and E were 89.1 % , 78.5 % , 66.0 % , 69.1 % and 36.4 % , respectively , in the overall population ; 83.6 % , 69.6 % , 60.3 % , 59.2 % and 38.5 % in G1a-infected patients , 96.6 % , 93.1 % , 73.1 % , 78.4 % and 28.6 % in G1b-infected patients and 100 % , 87.5 % , 100 % , 100 % and 66.7 % in G4-infected patients .