Copyright © 2015 by the American Osteopathic Association. From: Chronic Kidney Disease: The New Silent Killer J Am Osteopath Assoc. 2006;106(3):133-136. doi:10.7556/jaoa.2006.106.3.133 Figure Legend: Classification of stages of development of chronic kidney disease (CKD), according to the National Kidney Foundation's Kidney Disease Outcomes Quality Initiative (K/DOQI) clinical practice guidelines. These guidelines define CKD as persistent kidney damage and/or a glomerular filtration rate (GFR) of less than 60 mL per minute per 1.73 m2 of body surface area for at least 3 months. (Adapted from National Kidney Foundation. K/DOQI clinical practice guidelines for chronic kidney disease: evaluation, classification, and stratification. Am J Kidney Dis. 2002;39[2 suppl 1]:S1–S266. Copyright © 2002, with permission from the National Kidney Foundation.) Date of download: 10/24/2017 Copyright © 2015 by the American Osteopathic Association. All rights reserved.