Figure 1. Meta-analyses of Behavioral and Neuropsychiatric Features.

Results of meta-analyses on behavioral and neuropsychiatric total scores between the behavioral variant of Alzheimer disease (bvAD) and typical Alzheimer disease (tAD) (A) and bvAD and the behavioral variant of frontotemporal dementia (bvFTD) (B). Mean weighted percentages of participants per diagnostic group fulfilling specific bvFTD core clinical features proposed by Rascovsky et al¹⁴ (C) or presence of specific neuropsychiatric symptoms measured using the Neuropsychiatric Inventory (NPI) (D). DCQ indicates Dépistage Cognitif de Québec; FAB, Frontal Assessment Battery; PBAC, Philadelphia Brief Assessment of Cognition; SMD, standardized mean difference.

^aP < .05.