BCHE and dementia: In patients with mild-moderate dementia, antipsychotics were associated with increased odds of cerebrovascular event compared to placebo (OR 4.43, 95% CrI 1.89 to 11.9; NNH = 53), memantine (OR 15.24, 95% CrI 3.33 to 86.31; NNH = 29) and cholinesterase inhibitors (OR 4.58, 95% CrI 1.75 to 13.46; NNH = 52).