Letters to the Editor

Benchmarking prophylaxis with factor concentrates: reference data on annualized bleeding rates in children with severe hemophilia

Pediatric Coagulation Unit, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, Stockholm, Sweden; Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm
PedNet Hemophilia Research Foundation, Baarn
Pediatric thrombosis and Hemostasis Unit, Pediatric Hemophilia Centre, Dr. von Hauner Children’s Hospital LMU Munich
PedNet Hemophilia Research Foundation, Baarn, the Netherlands; Center for Benign Haematology, Thrombosis and Haemostasis Van Creveldkliniek, University Medical Center Utrecht, Utrecht
Center for Bleeding Disorders and Coagulation, Department of Heart, Lung and Vessels, Careggi University Hospital, Florence
Goethe University, University Hospital Frankfurt, Department of Paediatrics and Adolescent Medicine
Institute of Experimental Hematology and Transfusion Medicine, University Hospital Bonn, Medical Faculty, University of Bonn
Haemophilia Centre/Haemostasis and Thrombosis Unit, Aghia Sophia Children’s Hospital, Athens-Greece
Department of Paediatrics, Medical University Hospital of Vienna, Vienna
PedNet Hemophilia Research Foundation, Baarn
Haematologica Early view Aug 28, 2025 https://doi.org/10.3324/haematol.2025.288101