Marcellin 1991.

Methods	Allocation concealment: unclear. Blinding: no. Intention to treat: no. Methodological score: 12.
Participants	NAIVE PATIENTS WITH CHRONIC HEPATITIS C Arms: 18/18 Excluded: 2/0 Mean age: 42/41 % males: 67/50 % transfusion: 50/56 % drug abuse: 28/28 % cirrhosis: 17/11 Genotypes: NDA Disease duration: 4/4
Interventions	Experimental: Alfa‐2b IFN 3 MU TIW x 6 mo Control: no intervention Follow‐up: 6 mo
Outcomes	‐ biochemical ETR and SR
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear