Table 1.

Income, costs and savings captured in the resource impact model

Cost category	Cost components
Annual fixed staff costs	Medical admin staff
	Consultant
	Staff nurse
Annual variable ancillary and diagnostic test costs	Full blood count
	Renal function
	Transferrin saturation
	Serum ferritin
	C-reactive protein
	Giving set/cannula/dressing
IV iron costs	IV iron (FCM, IIM, IS, or LMWID)
Annual savings arising from correction of pre-operative anemia	Reduction in ICU stay
	Reduction in ward stay (elective admissions)
	Reduction in ward stay (non-elective admissions)
	Potential blood saving per patient (standard red cells)
	Annual savings via reduced hospital readmission rate (within 30 days)
Clinic income	Public patient day case admission
	Private patient day case admission
	Private patient IV iron charge
	Private patient billing for materials and laboratory costs
	Private patient billing for consultant costs

FCM ferric carboxymaltose, IIM iron isomaltoside 1000, ICU intensive care unit, IS iron sucrose, IV intravenous, LMWID low molecular weight iron dextran