Adaptability of High Dimensional Propensity Score Procedure in the Transition from ICD-9 to ICD-10 in the US Healthcare System.
Amir SarayaniJoshua D BrownChristian HamppWilliam T DonahooAlmut G WintersteinPublished in: Clinical epidemiology (2023)
Mapping ICD codes to a stable terminology like CCS serves as a helpful strategy to reduce residual bias when deploying HDPS in pharmacoepidemiologic studies spanning both ICD eras.