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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: Pediatr Nephrol. 2020 Feb 3;36(3):527–538. doi: 10.1007/s00467-019-04458-6

Table 2.

Glomerular Filtration Rate Estimating Equations Derived from the CKiD Cohort Study [3], [6]

ESTIMATING EQUATION FORMULA
CKiDSCr 0.413[height (cm)/serum creatinine (mg/dl)
CKiD2009 39.1[height (m)/serum creatinine (mg/dl)](0.516) × [1.8/cystatin C (mg/L)](0.294)[30/BUN (mg/dl)](0.169)[1.099](male)[height (m)/1.4](0.188)
CKiDScr-Cys eGFR=39.8 × (ht(m)/Scr)0.456(1.8/cystatin
C)0.418(30/BUN)0.0791.076male(ht(m)/1.4)0.179