Table 1.

Baseline characteristics of the general population and incident RRT patientsa

CharacteristicGeneral PopulationIncident RRT Patients
Screened (n = 40,854)Not Screened (n = 44,565)PbScreened (n = 45)Not Screened (n = 55)Pc
Age (yr; mean ± SD)49 ± 1344 ± 12<0.00160 ± 1057 ± 100.170
Female (%)5446<0.00158510.493
Time from screening to dialysis (mo; mean ± SD)65 ± 3042 ± 27<0.001
Not known to have renal disease (%)51360.138
Not treated with ACEI/ARB (%)65530.275
Cause of ESRD (%)
    glomerulonephritis1340.075
    pyelonephritis/interstitial nephritis490.365
    cystic kidney disease and other congenital diseases1890.199
    renal vascular disease24330.364
    diabetes11360.004
    other multisystem diseases1860.050
    unknown/other1140.145
Known hypertension (%)1167570.346
Known insulin-dependent diabetes (%)17220.035
Known CVD history (%)420201.000
UAC (mg/L; median [IQR])6 (4 to 10)54 (5 to 726)
UAC (%)
    normoalbuminuria (<10 mg/L)75.533.3
    high normoalbuminuria (10 to 20 mg/L)16.58.9
    microalbuminuria (20 to 100 mg/L)6.58.9
    microalbuminuria (100 to 200 mg/L)0.613.3
    macroalbuminuria (>200 mg/L)0.735.6
  • a IQR, interquartile range.

  • b Differences between individuals from the general population comparing those who participated in screening with those who had not.

  • c Difference between RRT patients who participated in screening and those who had not.