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Kidney Disease Surveillance System
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Prevalence

Prevalence of chronic kidney disease (CKD) is the proportion of the population living with the disease in a defined geographic area. It can be expressed either as a percentage or as the number of cases in a population. Prevalence guides assessment of disease burden, health care needs, social services, and costs and has policy implications, such as screening recommendations.

Prevalence estimates are presented for the general US population from CDC’s National Health and Nutrition Examination Survey (NHANES), the Veterans Health Administration (VHA), and geographic distribution of chronic kidney disease among Medicare beneficiaries aged 65 years and older.



eGFR Formula Disclaimer
At the time of the last data update in summer 2022, the race-free eGFR formula was newly recommended and impact on health outcomes is underway. To avoid inconsistent results caused by different formulae, stakeholders continued using the eGFR formula with race during this transition. Since then, comparisons have been made. The estimates for the current website launch are still based on analyses using the eGFR formula with race, however plan is to use race-free eGFR formula for the next data update and upcoming website launch in fall 2023.