33 I de kliniske studier om kombineret behandling af Pegasys med ribavirin er der set anæmi (hæmoglobin < 10 g/ dl) hos op til 15% af patienterne med kronisk hepatitis C.
34 The occurrence of anaemia (haemoglobin < 10 g/ dl) has been observed in up to 15% of chronic hepatitis C patients in clinical trials on the combined treatment of Pegasys with ribavirin.