Figure 2.

Prevalence of chronic kidney disease in the general population, by stage; data from retrospective database studies 2007–2009.

Notes:^†Estimates based on 527,594 participants aged ≥20 years who participated in an annual health check programs from 2000–2004; ^‡based on estimates from the 2005 updated annual health check program, which consisted of individuals aged ≥20 years; ^¥based on data from 290,268 individuals aged ≥40 years who participated in an annual health examination program over 10 years (through 2003).