Ankle brachial index independently predicts early kidney disease

Abhijit V. Kshirsagar, Josef Coresh, Frederick Brancati, Romulo E. Colindres

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Introduction. Chronic kidney disease (CKD) and atherosclerotic cardiovascular disease (CVD) are often both present in selected populations. The independent association of early renal disease and atherosclerosis has not been studied in the general population. We hypothesized that the presence of low ankle brachial index (ABI), a surrogate measure of atherosclerotic cardiovascular disease, is associated with a low estimated glomerular filtration rate (GFR). Methods. The study population consisted of 14,917 middle-aged black and white men and women from the Atherosclerosis Risk in Communities (ARIC) Study. An ABI<0.90 was defined as the exposure, and an estimated GFR<90 mL/min/1.73 m2 was defined as the outcome. Logistic regression analysis was performed cross-sectionally using an ABI of 1.00-1.19 as the reference, and was adjusted for the usual cardiovascular risk factors. Results. The presence of an ABI<0.90 was associated with an increased odds of having an estimated GFR<90 (OR: 1.80; 95% C.I.: 1.40-2.32) compared to the reference group. After adjustment, an ABI<0.90 remained significant, and increased the odds of having an estimated GFR<90 (OR: 1.54; 95% C.I.: 1.17-2.04) compared to the reference group. The odds ratio for GFR<90 was higher among African Americans than Whites, 1.88 versus 1.36 respectively. Discussion. This study gives support to the independent association of early CKD and atherosclerotic CVD. The relationship appears to be stronger among African Americans than among Whites. It will be necessary to investigate this observation more fully with prospective studies given the rising incidence of CKD.

Original languageEnglish (US)
Pages (from-to)433-443
Number of pages11
JournalRenal Failure
Issue number4
StatePublished - 2004


  • Atherosclerosis
  • Cardiovascular disease
  • Chronic kidney disease

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Nephrology


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