In multivariate analysis , age below 40 years , IL28B CC genotype , and baseline HCV RNA below 800000IU/ml were associated with SVR12 ( P = 0.027 , P < 0.0001 , and P = 0.0002 , respectively ) , whereas treatment ( ART regimen and faldaprevir dose ) , liver cirrhosis , and genotype 1 subtype were not .