Patient's Age Group :	Low birth weight infant, <1 year old Term infant, <1 year old Child, age 2-12 years old Girl, age 13-21 years old Boy, age 13-21 years old
Patient's Height :	cm inches
Serum Creatinine :	mg/dL
Schwartz GFR1 :	mL/min/1.73 m2

1Schwartz : GFR = d x height (cm) PCr

Proportionality Constants ( d ) : Age Group d Low birth weight infants, age < 1 yr  0.33 Term infants, age < 1 yr 0.45 Children, ages 2-12 years 0.55 Girls, ages 13-21 years 0.55 Boys, ages 13-21 years 0.70

Schwartz GJ, Brion LP, Spitzer A. The use of plasma creatinine concentration for estimating glomerular filtration rate in infants, children, and adolescents. Pediatric Clinics of North America 1987; 34:571-590.

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