Table of conversions between Intertional Standard (SI) and US 'Conventional' Units for common medical measurements.
A data frame with the following 5 variables.
Common Abbreviation (mostly missing)
Medical laboratories and practitioners in the United States use one set of units (the so-called 'Conventional' units) for reporting the results of clinical laboratory measurements, while the rest of the world uses the International Standard (SI) units. It often becomes necessary to translate between these units when participating in international collaborations.
This data set provides constants for converting between SI and US 'Conventional' units.
To perform the conversion from SI units to US 'Conventional' units do:
To perform conversion from 'Conventional' to SI units do:
ConvertMedUnits automates the
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data(MedUnits) # show available conversions MedUnits$Measurement # utility function matchUnits <- function(X) MedUnits[ grep(X, MedUnits$Measurement),] # Convert SI Glucose measurement to 'Conventional' units GlucoseSI = c(5, 5.4, 5, 5.1, 5.6, 5.1, 4.9, 5.2, 5.5) # in SI Units GlucoseUS = GlucoseSI / matchUnits("Glucose")$Conversion cbind(GlucoseSI,GlucoseUS) # also consider using ConvertMedUnits() ConvertMedUnits( GlucoseSI, "Glucose", to="US" )
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