Comorbid diabetes and hypertensive patients were identified using ICD-10 codes. Further, patients were included (1) if they had continuous enrollment over the study period July 2016 to December 2018 and (2) if a prescription of an ACEI/ARB was filled between July 1, 2017, to December 31, 2017. Patients were excluded (1) if they disenrolled from the plan (2) had a diagnosis of dementia in the one-year pre-index period (July 1, 2016, to July 1, 2017) identified through ICD-10 codes (3) had a ACEI/ARB contraindication such as angioedema, hyperkalemia, and renal artery stenosis in the one-year pre-index period identified through ICD-10 codes.
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