Value of urinary albumin-to-creatinine ratio as a predictor of type 2 diabetes in pre-diabetic individuals

Allon Friedman, David Marrero, Yong Ma, Ronald Ackermann, K. M Venkat Narayan, Elizabeth Barrett-Connor, Karol Watson, William C. Knowler, Edward S. Horton

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

OBJECTIVE - The albumin-to-creatinine ratio (ACR) reflects urinary albumin excretion and is increasingly being accepted as an important clinical outcome predictor. Because of the great public health need for a simple and inexpensive test to identify individuals at high risk for developing type 2 diabetes, it has been suggested that the ACR might serve this purpose. We therefore determined whether the ACR could predict incident diabetes in a well-characterized cohort of pre-diabetic Americans. RESEARCH DESIGN AND METHODS - A total of 3,188 Diabetes Prevention Program (DPP) participants with a mean BMI of 34 kg/m 2 and elevated fasting glucose, impaired glucose tolerance, and baseline urinary albumin excretion measurements were followed for incident diabetes over a mean of 3.2 years. RESULTS - Of the participants, 94% manifested ACR levels below the microalbuminuria range and 21% ultimately developed diabetes during follow-up. Quartiles of ACR (median [range] within quartiles: 1, 3.0 [0.7-3.7]; 2, 4.6 [3.7-5.5]; 3, 7.1 [5.5-9.7]; and 4, 16.5 [9.71,578]) were positively associated with age, markers of adiposity and insulin secretion and resistance, blood pressure, and use of antihypertensive agents with antiproteinuric effects and inversely related to male sex and serum creatinine. An elevated hazard rate for developing diabetes with doubling of ACR disappeared after adjustment for covariates. Within the DPP intervention groups (placebo, lifestyle, and metformin), we found no consistent trend in incident diabetes by quartile or decile of ACR. CONCLUSIONS - An ACR at levels below the microalbuminuria range does not independently predict incident diabetes in adults at high risk of developing type 2 diabetes.

Original languageEnglish
Pages (from-to)2344-2348
Number of pages5
JournalDiabetes Care
Volume31
Issue number12
DOIs
StatePublished - Dec 2008

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Type 2 Diabetes Mellitus
Albumins
Creatinine
Glucose Intolerance
Metformin
Adiposity
Antihypertensive Agents
Insulin Resistance
Life Style
Fasting
Research Design
Public Health
Placebos
Blood Pressure
Glucose
Serum

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Advanced and Specialized Nursing

Cite this

Value of urinary albumin-to-creatinine ratio as a predictor of type 2 diabetes in pre-diabetic individuals. / Friedman, Allon; Marrero, David; Ma, Yong; Ackermann, Ronald; Narayan, K. M Venkat; Barrett-Connor, Elizabeth; Watson, Karol; Knowler, William C.; Horton, Edward S.

In: Diabetes Care, Vol. 31, No. 12, 12.2008, p. 2344-2348.

Research output: Contribution to journalArticle

Friedman, A, Marrero, D, Ma, Y, Ackermann, R, Narayan, KMV, Barrett-Connor, E, Watson, K, Knowler, WC & Horton, ES 2008, 'Value of urinary albumin-to-creatinine ratio as a predictor of type 2 diabetes in pre-diabetic individuals', Diabetes Care, vol. 31, no. 12, pp. 2344-2348. https://doi.org/10.2337/dc08-0148
Friedman, Allon ; Marrero, David ; Ma, Yong ; Ackermann, Ronald ; Narayan, K. M Venkat ; Barrett-Connor, Elizabeth ; Watson, Karol ; Knowler, William C. ; Horton, Edward S. / Value of urinary albumin-to-creatinine ratio as a predictor of type 2 diabetes in pre-diabetic individuals. In: Diabetes Care. 2008 ; Vol. 31, No. 12. pp. 2344-2348.
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AU - Narayan, K. M Venkat

AU - Barrett-Connor, Elizabeth

AU - Watson, Karol

AU - Knowler, William C.

AU - Horton, Edward S.

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