A question about creatinine

Does anyone know of a source or formula that is used to correlate a patient's serum creatinine level with % glomerular or kidney function?

Thanks for the assist!

[emily_mom]

Table: Serum Creatinine and Kidney Function

Serum Creatinine (mg/dL)*

Approximate Nephron Loss

Comments

[.6,1.5]

Less than 50% of nephrons lost

Normal Function

(1.5,4.8)

Between 50% and 75% of nephrons lost

Problem

[4.8,10]

Between 75% and 90% of nephrons lost

Bigger Problem

(10,+)

More than 90% of nephrons lost

End Stage Renal Disease

*: milligrams of creatinine per deciliter of serum

Hope this is what you were looking for!

[emily_mom]

This site shows how to calculate clearance....

http://www.medstudents.com.br/calculat/creatcle.htm

This one is from kidney.org.....

http://www.kidney.org/professionals/doqi/guidelines/nut_appx02a.html

[VickyRN, MSN, DNP, RN]

Thank you so much :)