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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: Ann Epidemiol. 2018 May 17;28(8):549–556. doi: 10.1016/j.annepidem.2018.05.002

Table 3.

Random Effects Parameters from Linear Mixed Effects Models with Random Intercepts Only Stratified by Glomerular and Non-Glomerular CKD Diagnoses.

Among children with glomerular CKD
Parameter Null Proteinuria only FGF23 only Proteinuria and FGF23
 S.D. (level) [σ1] 0.417 0.374 0.343 0.328
 S.D. (slope) [σ2] 0 0 0 0
 Correlation [σ12σ1σ2] NA NA NA NA
 S.D. residual [σ] 0.192 0.180 0.188 0.179
AIC 221.760 132.725 145.526 90.566
Among children with non-glomerular CKD
Null Proteinuria only FGF23 only Proteinuria
and FGF23
 S.D. (level) [σ1] 0.412 0.342 0.361 0.308
 S.D. (slope) [σ2] 0 0 0 0
 Correlation [σ12σ1σ2] NA NA NA NA
 S.D. residual [σ] 0.150 0.146 0.150 0.146
AIC −589.712 −854.061 −710.660 −936.368

Abbreviations: S.D., standard deviation; AIC, Akaike’s information criterion.