Table 2. Baseline characteristics and outcomes by race and level of kidney functiona

Baseline VariablesGFR Group (ml/min per 1.73 m2)
WhiteBlack
15–59 (n = 1,505)≥60 (n = 16,961)15–59 (n = 159)≥60 (n = 4,009)
a MI, myocardial infarction; CHD, coronary heart disease.
All values for continuous variables are means ± SD and for categorical variables are percentages.
Demographic data (%)
    age (yr)68.2 ± 11.356.3 ± 11.766.7 ± 11.955.8 ± 8.6
    male33.045.533.338.8
    high school graduate71.883.354.159.7
Lifestyle (%)
    smoking, current15.024.922.628.0
    alcohol, current55.366.423.934.0
Medical history (%)
    diabetes12.47.428.316.7
    hypertension59.433.488.157.2
Medication use (%)
    antihypertensive agents42.320.779.241.4
    lipid-lowering agents3.42.53.71.4
    diabetes agents5.52.822.210.0
Physical characteristics
    BMI (kg/m2)26.7 ± 4.326.8 ± 4.529.2 ± 5.729.2 ± 5.9
    systolic BP (mmHg)133.9 ± 21.6123.3 ± 18.9143.0 ± 25.6129.3 ± 20.9
    diastolic BP (mmHg)73.0 ± 11.273.1 ± 10.579.4 ± 12.579.4 ± 11.9
    LVH (%)2.62.011.99.2
Laboratory values
    creatinine calibrated (mg/dl)1.3 ± 0.30.8 ± 0.21.6 ± 0.50.9 ± 0.2
    GFR (ml/min per 1.73 m2)51.9 ± 7.391.9 ± 20.949.6 ± 10.0102.0 ± 21.5
    total cholesterol (mg/dl)225 ± 45219 ± 42216 ± 47214 ± 44
    HDL cholesterol (mg/dl)52 ± 1652 ± 1654 ± 1856 ± 17
Clinical outcomes (%)
    MI/fatal CHD9.75.513.84.6
    stroke7.32.69.43.7
    all-cause mortality22.57.927.78.7