Table 1.

Demographic and clinical characteristics of the DCI study sample (n = 9849), of the USRDS incident cohort (n = 531,945) and of the NHANES sample (n = 9242)

DCI (%)USRDS (%)aNHANES (%)b
Age (yr)
    Non-Hispanic white61.064.087.2
    Non-Hispanic black39.029.612.8
Cause of ESRD
  • a Percentage is based on the entire 1999 to 2004 USRDS incident hemodialysis population, except for age, which is restricted to those 20 yr of age or older.

  • b Weighted percent calculated using NHANES sampling weights.