Table 2.

Multivariable analyses to evaluate baseline htTKV and age 18 years htTKV prediction of CKD endpoints at final visit

Renal Insufficiency EndpointhtTKV at BaselinehtTKV at Age 18 yr
OR95% CIP ValueOR95% CIP Value
GFR (iothalamate clearance)
 stage 3 CKD1.48(1.29, 1.70)<0.0011.33(1.12, 1.57)0.001
 ΔGFR >20%↓1.39(1.22, 1.59)<0.0011.23(1.04, 1.44)0.01
 ΔGFR >40%↓1.47(1.29, 1.68)<0.0011.27(1.10, 1.48)0.002
eGFR (MDRD formula)
 stage 3 CKD1.41(1.23, 1.61)<0.0011.23(1.04, 1.46)0.01
 ΔGFR >20%↓1.24(1.11, 1.39)<0.0011.23(1.05, 1.44)0.01
 ΔGFR >40%↓1.38(1.22, 1.55)<0.0011.23(1.06, 1.44)0.01
  • GFR measured in milliliters per minute per 1.73 m2. htTKV, height-adjusted total kidney volume; OR, odds ratio; 95% CI, 95% confidence interval; eGFR, estimated GFR; MDRD, Modified Diet in Renal Disease formula.