1. Volume 131, Issue 2, Pages 451-460 (August 2006)
Peginterferon-Alfa2a Plus Ribavirin for 48 Versus 72 Weeks in Patients With Detectable Hepatitis C Virus RNA at Week 4 of Treatment 
José M. Sánchez–Tapias, Moisés Diago, Pedro Escartín, Jaime Enríquez, Manuel Romero–Gómez, Rafael Bárcena, Javier Crespo, Raúl Andrade, Eva Martínez–Bauer, Ramón Pérez, Milagros Testillano, Ramón Planas, Ricard Solá, Manuel García–Bengoechea, Javier Garcia–Samaniego, Miguel Muñoz–Sánchez, Ricardo Moreno–Otero 
Gastroenterology 
Volume 131, Issue 2, Pages (August 2006)
DOI: /j.gastro
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

2. Figure 1 Flow of participants throughout the study.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

3. Figure 2
Prediction of SVR by HCV-RNA decrease with respect to baseline at weeks 12 and 24 of treatment in patients from groups A and B. PPV, positive predictive value; NPV, negative predictive value.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions