Diabetic foot ulcers (DFU) in patients with end-stage renal disease (ESRD) are independently associated with higher healthcare costs, according to data presented at the National Kidney Foundation’s 2014 Spring Clinical Meetings in Las Vegas.

In a study comparing 25,273 diabetic ESRD patients with DFU (case patients) and 25,273 propensity-score-matched controls (diabetic ESRD patients without DFU), researchers found that  case patients required more erythropoiesis-stimulating agents than controls (56,977 vs. 51,416 units per month).

They also had higher inpatient costs ($6,209 vs. $4,668 per month) and higher outpatient costs ($1,384 vs. $1,046 per month), the study by Scott Sibbel, PhD, MPH, and colleagues at DaVita Clinical Research in Minneapolis, Minn., found.

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After propensity score matching, cases and controls were similar with respect to age, sex, race, weight, comorbidity burden, and other parameters.