| Summary: | Abstract Aims Diabetic ketoacidosis (DKA) is an emergency with high morbidity and mortality. This study examined patient factors associated with hospitalization for recurrent DKA. Methods Characteristics of 265 subjects admitted for DKA at Hennepin County Medical Center between January 2017 and January 2019 were retrospectively analyzed. Differences between subjects with a single admission versus multiple were reviewed. Results Forty-eight out of 265 patients had recurrent DKA. Risk factors included African American race (adjusted odds ratio (aOR) versus white non-Hispanic = 4.6, 95% CI 1.8–13, p = 0.001) or other race/ethnicity (aOR = 8.6, 2.9–28, p < 0.0001), younger age (aOR 37-52y versus 18-36y = 0.48, 0.19–1.16, p = 0.10; aOR 53-99y versus 18-36y = 0.37, 0.12–0.99, p = 0.05), type 1 diabetes mellitus (aOR = 2.4, 1.1–5.5, p = 0.04), ever homeless (aOR = 2.5, 1.1–5.4, p = 0.03), and drug abuse (aOR = 3.2, 1.3–7.8, p = 0.009). DKA cost a median of $29,981 per admission. Conclusions Recurrent DKA is costly, and social determinants are strong predictors of recurrence. This study highlights the need for targeted preventative care programs.
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