PDG38 Association between Satisfaction with Quality of Care and ANTI-Dementia Medication Adherence Among Elderly Adults with Alzheimer's Disease and Related Dementias

Effects of Medicare Part D medication therapy management on racial/ethnic disparities in adherence to antidementia medications among patients with Alzheimer's disease and related dementias: An observational study

“…A PDC threshold of 0.80 was selected due to its strong association with hospitalizations, health care costs, and clinical outcomes among patients with chronic conditions. 34 , 35 , 36 , 37 Furthermore, 0.80 as an adherence threshold is widely accepted based on recent studies on antidementia medications 38 , 39 and the Medicare Part D Star Ratings program. 40 In a sensitivity analysis, PDC thresholds of 0.70 and 0.90 were analyzed to determine the effects of varying adherence thresholds.…”

Alzheimer's disease medication use and adherence patterns by race and ethnicity

“…We defined an individual as non‐adherent if their “proportion of days covered” for anti‐dementia medications was less than 80% during that year 15 . We calculated “proportion of days covered” as the number of days for which a patient had any ADRD medication prescriptions (including dual usage of memantine and cholinesterase inhibitors) during a year divided by 365 days.…”