Table 1.

Baseline characteristics of the subcohort and added cases from outside the subcohort

Baseline characteristicsRandom SubcohortAdded Cases, n=390Entire Population, n=3939
Survived, n=932Died, n=203
Age, yr57.0±11.061.6±9.062.3±9.258.2±11.0
Women, %45.831.038.745.2
Black, %40.850.348.242.1
Hispanic, %12.59.411.012.6
Current smoking, %9.216.821.513.1
BMI, kg/m232.0±7.933.3±8.532.0±7.432.1±7.8
SBP, mm Hg125.8±21.0132.8±22.1134.8±24.5128.5±22.2
Hypertension, %84.793.192.386.1
Diabetes, %44.468.060.848.4
Heart failure, %4.821.220.39.7
Stroke, %7.117.716.410.0
Peripheral vascular disease, %2.718.213.96.7
Coronary artery disease, %15.543.837.721.9
eGFR, ml/min per 1.73 m246.3±14.738.2±12.139.0±12.844.9±16.8
UACR, mg/g36.1 (7.7–336.1)154.2 (21.6–797.7)145.6 (19.3–938.8)52.0 (8.7–457.5)
Hemoglobin, g/dl12.7±1.812.2±1.612.4±1.812.6±1.8
Serum albumin, g/dl4.0±0.43.8±0.53.9±0.53.9±0.5
Calcium, mg/dl9.2±0.59.1±0.59.1±0.69.2±0.5
Phosphate, mg/dl3.7±0.63.9±0.73.8±0.83.7±0.7
PTH, pg/ml51.0 (34.0–80.0)73.0 (44.3–121.0)68.0 (41.1–116.0)54.0 (35.0–89.1)
FGF23, RU/ml129.4 (90.4–194.7)194.2 (129.0–324.9)198.5 (121.1–344.6)145.5 (95.8–239.2)
  • Results are reported as proportions, means±SD, or medians (interquartile ranges). BMI, body mass index; SBP, systolic BP; RU, reference unit.