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Program is based on the following equations:
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Schwartz equation: CrCl
(ml/min/1.73m2)=
[length (cm) x k] / Scr
(Patient population: infants over 1 week old through adolescence (18 years old)) |
k = 0.45 for infants 1 to 52 weeks old
k = 0.55 for children 1 to 13 years old
k = 0.55 for adolescent females 13-18 years old
k = 0.7 for adolescent males 13-18 years old
Schwartz GJ, Haycock GB, Edelmann CM Jr, Spitzer A: A simple estimate of glomerular filtration rate in children derived from body length and plasma
creatinine. Pediatrics 58:259-263, 1976. |
Shull et al: Crcl (ml/min/1.73m2) = ((0.035 x age) + 0.236) x 100)/
Scr
Shull BC, Haughey D, Koup JR, Baliah T, Li PK. A useful method for predicting creatinine clearance in children. Clin Chem. 1978 Jul;24(7):1167-9. |
Counahan-Barratt: GFR (ml/min/1.73m2) = ( 0.43 x length )/ Scr
Counahan R, Chantler C, Ghazali S, Kirkwood B, Rose F, Barratt TM. Estimation of glomerular filtration rate from plasma creatinine concentration in children.
Arch Dis Child. 1976 Nov;51(11):875-8. |
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