Methods: Utilizing a large commercial insurance database, the current matched case鈥揷ontrol study identified meningioma cases using ICD-10 codes from hospital data and MPA exposure, as established from pharmaceutical claims data. Controls were matched 10:1 to cases based on age, year of ...
We identified these components using ICD-10 codes (Supplementary Table S1). The Clavien–Dindo grade IV complications have been previously used in studies using administrative data [21,22,23]. Other variables included age, sex, race, insurance status, clinical risk profile, and Elixhauser ...