Compared to PEG-IFN α-2a - 48 weeks what was the result of PEG-IFN α-2a - 24 weeks on anemia rates - patients with chronic hepatitis C with HCV genotype 6?
18 (23.7%) and 22 (28.9%) patients in the 24- and 48-week groups (P = 0.46), respectively, required dose reduction