Figure 1.

Flow diagram of study participants in the CKiD study
Number of participants excluded due to missing baseline covariates: race (n=1), body mass index z-score (n=6), hypertension (n=15), anemia (n=17), serum albumin (n=8), protein-tocreatinine ratio (n=20).
Abbreviations: CKD, chronic kidney disease; CKiD, Chronic Kidney Disease in Children study; EER, estimated energy requirement; FFQ, food frequency questionnaire