Table 4.

Prevalence of estimated GFR categories by condition

No. TestedPrevalence (%)a,bGFR Mean (SD)b
GFR >60GFR 30 to 59GFR <30P Valuec
All5360170.427.62.968.4 (19.7)
Female2737170.426.63.00.6968.2 (19.7)
Risk factorsc
    age > 60 yr2503052.642.45.0<0.000166.8 (18.9)
    diabetes1059664.131.04.9<0.000167.1 (22.9)
    hypertension2082264.532.33.2<0.000166.2 (19.8)
    three risk factors314750.043.16.9<0.000159.6 (20.3)
    no risk factorsd1247387.711.50.8<0.000175.3 (17.3)
CVDc,e
    coronary artery disease306053.740.65.7<0.000161.0 (19.8)
    myocardial disease121033.451.715.0<0.000158.0 (22.7)
    cerebral vascular disease36350.742.76.6<0.000160.4 (21.6)
    peripheral arterial disease33645.546.48.0<0.000158.7 (20.6)
    no CVDd4175571.426.02.5<0.000169.0 (19.7)
Kidney disease codes
    acute9613.557.329.2<0.000139.2 (17.2)
    chronic240136.739.823.5<0.000150.7 (25.4)
    transplant8714.065.221.0<0.000142.1 (17.0)
    no kidney diseased5106272.225.91.9<0.000169.3 (19.0)
  • a Row percentages.

  • b Units of GFR are ml/min per 1.73 m2

  • c χ2 statistic: Compared with not having the condition.

  • d Compared with any of the above.

  • e Patients may belong to more than one category.