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To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
assistant medical calculation ... Neither formula ... EGFR #Equations #Calculation ... #Formulas #Creatinine ... #Clearance
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Table 1. Equations for estimated glomerular filtration rate (eGFR) in adults based on serum creatinine concentration*.
#Diagnosis
based on serum creatinine ... EGFR #Equations #Calculation ... #Formulas #Creatinine ... #Clearance
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Issues with confounding ... increased survival Confounding ... Biostatistics #formulas ... #calculations #
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
* volume)/CrS Creatinine ... Clearance FENa ... BUN/Cr S BUN / Creatinine ... MediCalc® 7 Medical Calculator