Kidney disease and increased mortality risk in type 2 diabetes

Maryam Afkarian, Michael C. Sachs, Bryan Kestenbaum, Irl B. Hirsch, Katherine R. Tuttle, Jonathan Himmelfarb, Ian H De Boer

Research output: Contribution to journalArticle

317 Citations (Scopus)

Abstract

Type 2 diabetes associates with increased risk of mortality, but how kidney disease contributes to this mortality risk among individuals with type 2 diabetes is not completely understood.Here, we examined 10-year cumulative mortality by diabetes and kidney disease status for 15,046 participants in the Third National Health and Nutrition Examination Survey (NHANES III) by linking baseline data from NHANES III with the National Death Index. Kidney disease, defined as urinary albumin/creatinine ratio ≥30 mg/g and/or estimated GFR ≤60 ml/min per 1.73 m2, was present in 9.4% and 42.3% of individuals without and with type 2 diabetes, respectively. Among people without diabetes or kidney disease (reference group), 10-year cumulative all-causemortality was 7.7% (95%confidence interval [95%CI], 7.0%-8.3%), standardized to population age, sex, and race. Among individuals with diabetes but without kidney disease, standardized mortality was 11.5% (95% CI, 7.9%-15.2%), representing an absolute risk difference with the reference group of 3.9% (95% CI, 0.1%-7.7%), adjusted for demographics, and 3.4% (95% CI, 20.3% to 7.0%) when further adjusted for smoking, BP, and cholesterol. Among individuals with both diabetes and kidney disease, standardized mortality was 31.1% (95% CI, 24.7%-37.5%), representing an absolute risk difference with the reference group of 23.4% (95% CI, 17.0%-29.9%), adjusted for demographics, and 23.4% (95% CI, 17.2%-29.6%) when further adjusted. We observed similar patterns for cardiovascular and noncardiovascular mortality. In conclusion, those with kidney disease predominantly account for the increased mortality observed in type 2 diabetes.

Original languageEnglish (US)
Pages (from-to)302-308
Number of pages7
JournalJournal of the American Society of Nephrology
Volume24
Issue number2
DOIs
StatePublished - Jan 31 2013
Externally publishedYes

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Kidney Diseases
Type 2 Diabetes Mellitus
Mortality
Nutrition Surveys
Demography
Albumins
Creatinine
Smoking
Cholesterol
Confidence Intervals
Population

ASJC Scopus subject areas

  • Nephrology

Cite this

Afkarian, M., Sachs, M. C., Kestenbaum, B., Hirsch, I. B., Tuttle, K. R., Himmelfarb, J., & Boer, I. H. D. (2013). Kidney disease and increased mortality risk in type 2 diabetes. Journal of the American Society of Nephrology, 24(2), 302-308. https://doi.org/10.1681/ASN.2012070718

Kidney disease and increased mortality risk in type 2 diabetes. / Afkarian, Maryam; Sachs, Michael C.; Kestenbaum, Bryan; Hirsch, Irl B.; Tuttle, Katherine R.; Himmelfarb, Jonathan; Boer, Ian H De.

In: Journal of the American Society of Nephrology, Vol. 24, No. 2, 31.01.2013, p. 302-308.

Research output: Contribution to journalArticle

Afkarian, M, Sachs, MC, Kestenbaum, B, Hirsch, IB, Tuttle, KR, Himmelfarb, J & Boer, IHD 2013, 'Kidney disease and increased mortality risk in type 2 diabetes', Journal of the American Society of Nephrology, vol. 24, no. 2, pp. 302-308. https://doi.org/10.1681/ASN.2012070718
Afkarian, Maryam ; Sachs, Michael C. ; Kestenbaum, Bryan ; Hirsch, Irl B. ; Tuttle, Katherine R. ; Himmelfarb, Jonathan ; Boer, Ian H De. / Kidney disease and increased mortality risk in type 2 diabetes. In: Journal of the American Society of Nephrology. 2013 ; Vol. 24, No. 2. pp. 302-308.
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