BCHE and dementia: Compared with those who continued cholinesterase inhibitors, the beneficiaries who discontinued were less likely to have the diagnosis codes for AD (discontinued vs continued: 1010 of 1820 [55.5%] vs 8830 [61.0%]) and a higher percentage of people who had the diagnosis of dementia for less than 1 year (less than 1 year since diagnosis: 684 [37.6%] vs 4315 [29.8%]).