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ORs of future CUA involving lower abdomen and/or upper thigh areas by number of insulin injections per day at hemodialysis initiation. Model 1 is an unadjusted model; model 2 is adjusted for age, race, and sex; model 3 is adjusted for covariates independently associated with increased risk of CUA involving lower abdomen and/or upper thigh areas in patients with diabetes mellitus. *P<0.05 (significant difference from reference values; zero insulin injections per day).
