Accuracy of Simple Biochemical Tests in Identifying Liver Fibrosis in Patients Co- Infected With Human Immunodeficiency Virus and Hepatitis C Virus  Cristina Tural, Jordi Tor, Arantza Sanvisens, Núria Pérez–Alvarez, Elisenda Martínez, Isabel Ojanguren, Javier García–Samaniego, Juergen Rockstroh, Eva Barluenga, Robert Muga, Ramon Planas, Guillem Sirera, Celestino Rey–Joly, Bonaventura Clotet  Clinical Gastroenterology and Hepatology  Volume 7, Issue 3, Pages 339-345 (March 2009) DOI: 10.1016/j.cgh.2008.11.019 Copyright © 2009 AGA Institute Terms and Conditions

Figure 1 Index values according to the Sheuer31 fibrosis score. Clinical Gastroenterology and Hepatology 2009 7, 339-345DOI: (10.1016/j.cgh.2008.11.019) Copyright © 2009 AGA Institute Terms and Conditions

Figure 2 ROC curves for APRI, Forns, and FIB-4 for the diagnosis of (A) significant fibrosis (≥F2) and (B) advanced fibrosis (≥F3). Clinical Gastroenterology and Hepatology 2009 7, 339-345DOI: (10.1016/j.cgh.2008.11.019) Copyright © 2009 AGA Institute Terms and Conditions