Alvorlig (trombocyttal under 25 x 109/ l) hos 25% af patienterne (8% af behandlingerne), moderat (trombocyttal mellem 25, 0 og 50, 0 x 109/ l) hos 25% af patienterne (15% af behandlingerne).
Severe (platelets less than 25 x 109/ l) in 25% of patients (8% of courses); moderate (platelets between 25.0 and 50.0 x 109/ l) in 25% of patients (15% of courses).