Table 4.

Multiple linear regression models for 1-yr and 2-yr height change in standard deviation score.a

ParameterCoefficientStandard Error95% CIP
aCI, confidence interval; SDS, standard deviation score; ΔSDS, change in SDS; USRDS, US Renal Data System; ref, referent group; RRT, renal replacement therapy.
Dependent variable
1-yr height ΔSDS
Independent variables
intercept1.270.670.6, 1.940.06
initial height SDS-0.580.1-0.68, -0.480.001
treatment
USRDS control (treatment group ref)-1.370.56-1.93, -0.810.012
RRT
dialysis-1.470.5-1.97, -0.970.004
no RRT (transplant ref)-2.150.7-2.85, -1.450.004
cause of ESRD
polycystic kidney0.350.5-0.15, 0.850.48
other (urological ref)-0.040.4-0.44, 0.360.93
Dependent variable
1-yr height ΔSDS
Independent variables
intercept1.261.31-0.05, 2.570.35
initial height SDS-0.670.14-0.81, -0.530.001
treatment
USRDS control (urological subjects only) (treatment group ref)-1.740.67-2.41, -1.070.015
RRT
dialysis-2.241.3-3.54, 0.940.11
no RRT (transplant ref)-1.51.23-2.73, -0.270.23
Dependent variable
2-yr height ΔSDS
Independent variables
intercept-0.520.82-1.34, 0.30.53
treatment
literature control (treatment ref)-1.830.57-2.4, -1.260.003
creatinine clearance
< 10 ml/min per 1.73 m20.220.9-0.68, 1.120.8
10-50 ml/min per 1.73 m21.110.80.31, 1.910.17
>50 ml/min per 1.73 m2 (ref)