The prevalence of chronickidney disease in the UnitedStates increased from 14.5%in the period 1988-1994 to16.8% during 1999-2004,according to the CDC. Olderpeople and those withdiabetes are by far the mostlikely to develop CKD, as thechart shows. The data werecollected in a series ofNational Health and NutritionExamination Surveys.

Source: Morbidity and Mortality WeeklyReport, March 2, 2007, CDC.