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Percent Change From Baseline

Known as: PCHGBL 
The value of the last measurement taken divided by the initial value taken at some baseline event or timepoint.
National Institutes of Health

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Clinical Data Interchange Standards Consortium Terminology

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2012
2012
STATISTICAL PROPERTIES OF RATIO MEASURES BASED ON THE PRE- AND POST-DATA
In a clinical trial, we sometimes evaluate the treatment effect based on the ratio measures which requires preand post-data of… 
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