GPT and coinfection: There was no difference in SVR12 rates by sex, age, ethnicity, country, cirrhotic status, interleukin 28B gene polymorphism, previous interferon regimen with or without ribavirin, HIV co-infection status, baseline BMI, or baseline HCV RNA, alanine aminotransferase, or aspartate aminotransferase concentration in the full analysis set (appendix pp 6–7).