Classification | Mild | Moderate | Severe |
---|---|---|---|
©1990, with permission from Elsevier. | |||
Haemoglobin (g/l) | 110–150 | 80–120 | 60–80 |
Reticulocyte count (%) | 3–6 | >6 | >10 |
Bilirubin (μg/l) | 17–34 | >34 | >51 |
Splenectomy | Usually not required | Indicated during school age, usually before puberty | Necessary—delay until 6 years if possible |