Hvis hæmoglobinforøgelsen er < 1 g/ dl
If the haemoglobin has increased by at least 1 g/ dl (0.62 mmol/ l) or the reticulocyte count has increased ≥ 40,000 cells/ µl above baseline after 4 weeks of treatment, the dose should remain at 150 IU/ kg 3 times per week or 450 IU/ kg once weekly.