Table 1.

Population characteristicsa

CharacteristicAllStrata by mGFR (ml/min/1.73 m2)
≥9060 to 89.930 to 59.915 to 29.9<15≥60<60
n (%)2208807(37)512(23)484(22)275(12)130(6)1319(60)889(40)
Age (yr)46 ± 1639 ± 1348 ± 1552 ± 1652 ± 1557 ± 1642 ± 1453 ± 16
Weight (kg)70.6 ± 16.070.2 ± 15.370.9 ± 18.370.5 ± 14.871.0 ± 16.171.7 ± 15.170.5 ± 16.570.8 ± 15.3
Height (cm)166 ± 10167 ± 10166 ± 10166 ± 10167 ± 10166 ± 11166 ± 10166 ± 10
BSA (m2)1.78 ± 0.211.78 ± 0.201.77 ± 0.221.78 ± 0.211.79 ± 0.221.79 ± 0.211.78 ± 0.211.78 ± 0.21
BMI (kg/m2)25.5 ± 5.525.2 ± 5.525.9 ± 6.625.5 ± 4.825.5 ± 4.926.0 ± 5.425.5 ± 5.925.6 ± 4.9
SCr (mg/dl)1.68 ± 1.340.90 ± 0.181.13 ± 0.291.74 ± 0.543.30 ± 1.224.98 ± 2.090.99 ± 0.252.70 ± 1.62
MGFR (ml/min/1.73 m2)72.4 ± 39.0114.5 ± 17.775.5 ± 9.044.3 ± 8.321.9 ± 4.310.5 ± 3.199.4 ± 24.232.4 ± 15.0
CG (ml/min/1.73 m2)68.9 ± 35.099.9 ± 23.175.4 ± 22.948.3 ± 16.326.8 ± 11.517.1 ± 6.790.4 ± 26.037.1 ± 18.7
MDRD (ml/min/1.73 m2)62.6 ± 31.891.1 ± 19.869.4 ± 18.143.7 ± 14.622.2 ± 9.513.8 ± 5.582.7 ± 21.932.7 ± 17.3
  • a Data presented as mean ± SD. mGFR, measured GFR (by renal inulin clearance); BSA, body surface area; BMI, body mass index; SCr, serum creatinine; CG, Cockcroft–Gault formula estimated GFR; MDRD, Modification of Diet in Renal Disease formula estimated GFR.