Table 2.

Further characteristics of the 13,251 NHANES III nondiabetic adult participants included in the analysisa

ParameterConventional UnitsSI Units
a Data are mean (SE). Missing data: all variables had 99.4% or more complete information.
b Body surface area (m2) = 0.20247 × [height (m)]0.725 × [weight (kg)]0.425 (58).
c Body mass index = [weight (kg)]/[height (m)]2.
d MDRD GFR (ml/min per 1.73 m2) = 170 × [serum creatinine (mg/dl)]−0.999 × [age]−0.176 × [0.762 if patient is female] × [1.180 if patient is black] × [serum urea nitrogen (mg/dl)]−0.170 × [serum albumin (g/dL)]0.318.
e Cockcroft-Gault creatinine clearance = ([140 − age] × [weight (kg)])/(72 × [serum creatinine (mg/dl)]) × [0.85 if female].
Body wt75 (0.3) kg
Height169 (0.2) cm1.69 (0.002) m
Body surface areab1.85 (0.004) m2
Body mass indexc26.3 (0.08) kg/m2
MDRD GFRd77 (0.4) ml/min per 1.73m20.74 (0.004) ml/s per m2
Cockcroft-Gault creatinine clearancee89 (0.9) ml/min1.48 (0.02) ml/s
Serum creatinine1.07 (0.002) mg/dl94.5 (0.2) mmol/L
Serum urea14.0 (0.08) mg/dl5.0 (0.03) mmol/L
Serum cholesterol203 (0.8) mg/dl5.26 (0.02) mmol/L
Serum albumin4.20 (0.01) g/dl42.0 (0.1) g/L
Glycated hemoglobin5.2 (0.01)%