Hæmatologiske unormaliteter blev rapporteret mere hyppigt hos patienter, der modtog Ribavirin i kombination med peginterferon alfa- 2b sammenlignet med patienter, der modtog Ribavirin i kombination med interferon alfa- 2b.
Haematological abnormalities were more frequently reported in patients receiving Ribavirin in combination with peginterferon alfa- 2b when compared to patients receiving Ribavirin in combination with interferon alfa-2b.