The R factor is used to assess the laboratories to assess if the liver injury seen is due to cholestatic or hepatocellular process.
( ALT * Upper Limit of Normal Alk Phos ) / ( Alk Phos x Upper Limit of Normal ALT )
Explanation of Result :
More information on DILI (Drug Induced Liver Injury) can be found at livertox.nih.gov.
>=5 is consistent with hepatocellular damage.
* Please verify all calculations prior to clinical use.
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All calculations/calculators are utilized at your own risk and should be coordinated and verified with clinical care. GIHep strives for accuracy, but does not guarantee any of the results.
Cite GIHep by using: Imler, Timothy D. “CALCULATOR NAME HERE.” GIHep. The Imlers, n.d. Web. DATE ACCESSED HERE. <http://www.gihep.com/>.