# MDRD Study Equation

log on to rate
MDRD Study Equation [html]
[text name="QCreat"] <-- Serum Creatinine (in mg/dL)
[select name="QGender" value="Male=1|Female=0.742"] <-- Gender
[text name="QAge"] <-- Age (in years)
[select name="QBlack" value="No=1|Yes=1.210"] <-- Race
Interpretation --> [calc value="score=(175 * (Math.pow((QCreat),-1.154)) * (Math.pow((QAge),-0.203)) * (QGender) * (QBlack));score>59.99?'CKD Stage I/II (or no CKD)':score>29.99?'CKD Stage III':score>14.99?'CKD Stage IV':'CKD Stage V'" memo="Interpretation"]
Based on estimated GFR of [calc value="score1=score.toFixed(2)" memo="GFR"] ml/min/1.73 m2
Note: GFR values greater than or equal to 60 mL/min/1.73 m2 should be reported as "≥ 60 mL/min/1.73 m2", not an exact number.
[html]<hr>[/html][checkbox memo="display/hide references" name="footnotes" value=""][conditional field="footnotes" condition="(footnotes).is('')"][html]
reference: <a href="http://www.ncbi.nlm.nih.gov/pubmed/10075613" target="_blank">Levey AS, Bosch JP, Lewis JB, Greene T, Rogers N, Roth D: A more accurate method to estimate glomerular filtration rate from serum creatinine: A new prediction equation. Modification of Diet in Renal Disease Study Group. Ann Intern Med 130: 461–470, 1999</a>[/html][/conditional]
MDRD Study Equation

<-- Serum Creatinine (in mg/dL)
<-- Gender
<-- Age (in years)
<-- Race
Interpretation --> Interpretationscore=(175 * (Math.pow((QCreat),-1.154)) * (Math.pow((QAge),-0.203)) * (QGender) * (QBlack));score>59.99?'CKD Stage I/II (or no CKD)':score>29.99?'CKD Stage III':score>14.99?'CKD Stage IV':'CKD Stage V'
Based on estimated GFR of GFRscore1=score.toFixed(2) ml/min/1.73 m2
Note: GFR values greater than or equal to 60 mL/min/1.73 m2 should be reported as "≥ 60 mL/min/1.73 m2", not an exact number.

display/hide references
Result - Copy and paste this output: