Giudici 1991.

Methods	Allocation concealment: unclear. Blinding: no. Intention to treat: yes. Methodological score: 12.
Participants	NAIVE PATIENTS WITH CHRONIC HEPATITIS C Arms: 15/15 Excluded: 0/0 Mean age: 50/33 % males: 60/80 % transfusion: 27/13 % drug abuse: 13/7 % cirrhosis: 13/13 Genotypes: NDA Disease duration: NDA
Interventions	Experimental: Alfa‐2b IFN 3 MU TIW x 6 mo Control: no intervention Follow‐up: 12 mo
Outcomes	‐ biochemical ETR and SR
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear