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Ethn Dis. 2004 Spring;14(2):243-9.

Characteristics of ketosis-prone diabetes in a multiethnic indigent community.

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Division of Endocrinology, Department of Medicine, Baylor College of Medicine Houston, Texas 77030, USA.



To compare demographic and clinical characteristics among 3 ethnic groups of indigent patients exhibiting diabetic ketoacidosis (DKA), in Houston, Texas.


Over a span of 3.5 years, 321 patients were interviewed at the time of admission for DKA. Demographic, clinical, and biochemical data and measures of pancreatic beta-cell function were obtained at baseline and during follow up. Pearson's chi-square test, or one-way ANOVA, were used, as appropriate, to evaluate group differences.


Of the 321 subjects, 44% were African-American, 40% were Hispanic, and 16% were Caucasian. A significantly higher proportion of Hispanics had preserved beta-cell function, compared to African Americans and Caucasians (51% vs 32% and 32%, respectively; P = .002). This difference, present at the time of the admission, was maintained through follow up. In a multivariate analysis, Hispanic ethnicity (OR 3.61; 95% CI 1.48-9.29) was a significant predictor of preserved beta-cell function. In addition, Hispanics were less likely to develop DKA as a result of treatment non-compliance, and more likely to have DKA precipitated by an acute illness.


Our findings indicated that ethnicity is associated with significant differences in the pathophysiologic and clinical characteristics of indigent, ketosis-prone patients. Hispanic ethnicity was found to be associated with greater beta-cell functional reserve, and less dependence on chronic insulin therapy.

[Indexed for MEDLINE]

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