hepatitis c National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't female male aged middle aged Drug Administration Schedule Multicenter Study Retrospective Studies severity of illness index drug therapy combination antiviral agents / therapeutic use* chronic / complications chronic / drug therapy* hepacivirus / genetics sustained virologic response carbamates / therapeutic use* heterocyclic compounds 4 or more rings / therapeutic use* sofosbuvir / therapeutic use* tarik asselah pmid:28756625 doi:10.1111/liv.13534 stefan bourgeois alessandra mangia liver cirrhosis / drug therapy* liver cirrhosis / virology