“… 20 Subjects with HCC (C220 and C229) who were prescribed DAA therapy (638101ATB [daclatasvir], 638001ACH [asunaprevir], 644401ATB [sofosbuvir], 645800ATB [ledipasvir/sofosbuvir], 223604ACH, 223601ACH, and 223601ACH [ribavirin]) between August 2015 and December 2016 were extracted from the HIRA database using the International Classification of Diseases (10th edition). 21 , 22 The exclusion criteria were as follows: autoimmune hepatitis (K75.4) or viral co-infection, including those with the hepatitis B (B18.0, B18.10, B18.18, B18.1, and Z22.5) and the human immunodeficiency virus (Z21.X, Z86.X, B20.X, B21.X, B22.X, B23.X, and B24.X); liver transplantation before DAA therapy; history of DAA therapy before or during HCC treatment. HCC recurrence was defined as reinitiation of HCC treatment after DAA therapy.…”