Bill's Biochemistry Javascript

Estimated Creatinine Clearance Calculated from Age, Sex and Serum Creatinine.
Patient Data:
Age (years):
Sex (m or f) -default is Male.:
Serum Creatinine (umol/L):
Results:
Patient is:	Years of age.
Creatinine Clearance (mL/min):
Creatinine Clearance (mL/sec):

Enter the patient's measured values in the spaces provided above and then click the "Calculate" button to estimate the Creatinine Clearance in mL/minute and mL/second. Use the "tab" key to move from cell to cell for faster input.

Formula is from Hull et al; Clinical Pharmacology and Therapeutics 29: 516, 1981 and adapted from Cockcroft and Gault: Nephron 16:31, 1976.
Where:
Creatine Clearance for Males (mL/min per 70kg) = ((88(145-age))/serum creatinine)-3
Creatine Clearance for Females (mL/min per 70kg) = ((75(145-age))/serum creatinine)-3

This is an experimental script and results should be treated with due care and consideration.
This calculation is apprently inaccurate in the presence of liver disease. (Hull et al, 1981.)

Please send comments to bill@iinet.net.au

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