Both groups had comparable baseline characteristics , SVR rates were similar in the whole population ( 60.6 % vs. 60.9 % ) and within each genotype subgroup ( G1 : 46.6 % vs. 55.6 % ; G2 : 90.2 % vs. 94.4 % ; G3 : 74.1 % vs. 58.3 % ; G4 : 45.8 % vs. 33.3 % ) .