Table 1 Clinical data of included studies

1. PubMed

1. Hepatitis C[Mesh] OR HCV

2. HCC OR “hepatocellular carcinoma”

3. SVR OR “sustained virologic response”

4. Mortality

(#1 AND #2) OR (#1 AND #3) OR (#1 AND #4) - > removed duplicated articles

2. Embase

1. (hepatitis C or hcv).mp

2. (hcc or hepatocellular carcinoma).mp

3. (svr or sustained virologic reponse).mp

4. mortality

After accumulation of (1 and 2), (1 and 3), and (1 and 4), and then removed duplicated articles

3. Cochrane library

1. Hepatitis C OR HCV

2. HCC OR “hepatocellular carcinoma”

3. SVR OR “sustained virologic response”

4. Mortality

(#1 AND #2) OR (#1 AND #3) OR (#1 AND #4) - > removed duplicated articles