Table 5.

Regression model predicting RBF slopes from parameters at baseline or averaged during the whole period of observation (baseline through year 3)

ParameterRBF Slope (R2; ml/min per 1.73 m2 per yr)
0.220.20
baSEPbbSEP
Male gender−22.224.2NS−28.724.9NS
Age (yr)1.391.14NS1.561.21NS
BMI1.381.75NS0.051.88NS
Hypertension−40.318.30.030−34.318.3NS
MAP (mmHg)1.120.77NS1.181.00NS
Log 10 TKV (ml)−27.942.3NS−68.052.3NS
GFR (ml/min per 1.73 m2)−0.0.560.38NS−0.620.47NS
Serum uric acid (mg/dl)20.39.10.02717.59.4NS
Serum HDL cholesterol (mg/dl)1.640.750.0312.110850.015
Serum LDL cholesterol (mg/dl)−0.390.24NS−0.280.31NS
Urine volume (L)−7.38.0NS−12.88.7NS
UNaE (mEq/24 h)−0.150.13NS−0.100.19NS
Log 10 UAE (mg/24 h)38.020.2NS46.329.4NS
Protein intake (g/24 h)0.410.47NS0.810.69NS
  • a Slopes per unit change in baseline parameters.

  • b Slopes per unit change averaged during the whole period of observation.