1. Evidence and Outcomes in CKD
Bertram L. Kasiske, MD 
American Journal of Kidney Diseases 
Volume 59, Issue 4, Pages (April 2012)
DOI: /j.ajkd
Copyright © 2012 National Kidney Foundation, Inc. Terms and Conditions

2. Figure 1
Chronic kidney disease (CKD) definition and classification efforts during the past decade.5,6,8,9 Abbreviations: CC, Controversy Conference; CPG, clinical practice guideline; KDIGO, Kidney Disease: Improving Global Outcomes; KDOQI, Kidney Disease Outcomes Quality Initiative.
American Journal of Kidney Diseases  , DOI: ( /j.ajkd )
Copyright © 2012 National Kidney Foundation, Inc. Terms and Conditions

3. Figure 2
The classification system for chronic kidney disease stages adopted by KDIGO (Kidney Disease: Improving Global Outcomes). Abbreviation: GFR, glomerular filtration rate.
Adapted and reproduced from Levey et al,6 © 2005 KDIGO; used with permission.
American Journal of Kidney Diseases  , DOI: ( /j.ajkd )
Copyright © 2012 National Kidney Foundation, Inc. Terms and Conditions