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)
    20-4414.512.648.2
    45-6437.235.433.6
    65-7425.125.510.1
    75+23.226.48.1
Gender
    Female46.645.951.8
Race
    Non-Hispanic white61.064.087.2
    Non-Hispanic black39.029.612.8
Cause of ESRD
    Diabetes45.545.1
    Hypertension25.427.9
    Glomerulonephritis9.98.1
    Other/missing19.218.9
  • 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.