Investigating the Potential for Bias When Using a Widely Accepted Medication Adherence Measure to Predict Mortality.
Ralph C WardDavid J TaberRobert Neal AxonMulugeta GebregziabherPublished in: Pharmacotherapy (2018)
Investigators using PDC or similar proxy measures should carefully consider the temporal relationship between adherence exposure and clinical outcomes when the outcome event affects the adherence measurement.