Calleri 1998.

Methods	Randomisation: yes Blinding: no Intention to treat: yes Methodological score: 8
Participants	‐ Patients with acute hepatitis C ‐ n = 40 ‐ Arms (IFN/C): 20/20 ‐ RNA + at entry: no data available (NDA) ‐ Excluded: 0/0 ‐ Mean age (y): 29/29 ‐ Male (%): 85/85 ‐ Transfusion (%): 5/5 ‐ Drug abuse (%): 65/65 ‐ Genotype: NDA ‐ Mean disease duration (wk): NDA
Interventions	‐ Schedule: Control: no intervention Experimental: IFN beta 3 MU/day x 5 d; 3 MU tiw x 3 wk ‐Follow‐up (F/U): 22 mo
Outcomes	‐ Biochemical ETR and SR
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear