1. Kidney Function and Cognitive Impairment in US Adults: The Reasons for Geographic and Racial Differences in Stroke (REGARDS) Study 
Manjula Kurella Tamura, MD, MPH, Virginia Wadley, PhD, Kristine Yaffe, MD, Leslie A. McClure, PhD, George Howard, DrPH, Rodney Go, PhD, Richard M. Allman, MD, David G. Warnock, MD, William McClellan, MD, MPH 
American Journal of Kidney Diseases 
Volume 52, Issue 2, Pages (August 2008)
DOI: /j.ajkd
Copyright © 2008 National Kidney Foundation, Inc. Terms and Conditions

2. Figure 1
Derivation of the analytic cohort. Abbreviations: REGARDS, Reasons for Geographic and Racial Differences in Stroke; GFR, glomerular filtration rate.
American Journal of Kidney Diseases  , DOI: ( /j.ajkd )
Copyright © 2008 National Kidney Foundation, Inc. Terms and Conditions

3. Figure 2
Distribution of (A) estimated glomerular filtration rate (GFR) and (B) scores on the 6-Item Screener.
American Journal of Kidney Diseases  , DOI: ( /j.ajkd )
Copyright © 2008 National Kidney Foundation, Inc. Terms and Conditions

4. Figure 3
Unadjusted prevalence of cognitive impairment and cerebrovascular disease by estimated glomerular filtration rate (GFR).
American Journal of Kidney Diseases  , DOI: ( /j.ajkd )
Copyright © 2008 National Kidney Foundation, Inc. Terms and Conditions