Diabetes care
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OBJECTIVE Lower-extremity amputation (LEA) is common among persons with diabetes. The goal of this study was to identify geographic variation and the influence of location on the incidence of LEA among U. S. ⋯ CONCLUSIONS There is profound "region-correlated" variation in the rate of LEA among Medicare beneficiaries with diabetes. In other words, location matters and whereas the likelihood of an amputation varies dramatically across the U. S. overall, neighboring locations have unexpectedly similar amputation rates, some being uniformly high and others uniformly low.