Ouzan 1998.

Methods	Allocation concealment: unclear. Blinding: no. Intention to treat: yes. Methodological score: 15.
Participants	NAIVE PATIENTS WITH CHRONIC HEPATITIS C Arms: 149/142 Excluded: 10/14 Mean age: 48/48 % males: 89/92 % transfusion: 42/39 % drug abuse: NDA % cirrhosis: 20/23 Genotypes : NDA Disease duration: 4/4
Interventions	Experimental 1: Alfa‐2a IFN 6MU TIW x 3mo; 3MU TIW x 3 mo Experimental 2: Alfa‐2a IFN 3MU TIW x 6 mo Follow‐up: 6 mo
Outcomes	‐ biochemical ETR and SR ‐ virologic ETR and SR
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear