Sangiovanni 1998.

Methods	Allocation concealment: unclear. Blinding: no. Intention to treat: yes. Methodological score: 16.
Participants	NAIVE PATIENTS WITH CHRONIC HEPATITIS C AND NORMAL ALT Arms: 16/15 Excluded: 0/0 Mean age: 43/46 % males: 50/47 % transfusion: 31/33 % drug abuse: NDA % cirrhosis: 0/0 Genotypes: G1 (38/47%), G2 (50/47%), other (12/6%) Disease duration: NDA
Interventions	Experimental: Alfa‐2a IFN 3 MU TIW x 6 mo Control: no intervention Follow‐up: 6 mo
Outcomes	‐ virologic ETR and SR
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear