Divide or subtract: transferrin saturation versus unbound iron binding capacity (UIBC)​Arne Åsberg Ann Elisabeth Åsberg Øyvind Skadberg a Department of Medical Biochemistry, Stavanger University Hospital, Stavanger, Norwayb Department of pediatrics, Trondheim University Hospital, Trondheim, Norwayon February 20, 2026 at 1:06 am