Table 2.

First symptom, first neuropsychiatric symptom, and NPI scores

Abbreviations: bvFTD = behavioral variant of frontotemporal dementia; C9+ = C9ORF72 mutation carriers; FTD-MND = frontotemporal dementia–motor neuron disease; NPI = Neuropsychiatric Inventory.

^ap ≤ 0.01. Criminal behaviors, altered eating habits, emotional lability, impulsivity, inflexibility, perseveration, stereotypies and loss of sympathy were omitted, as they were reported as first neuropsychiatric symptom in less than 5% of patients in all groups and there were no significant differences across groups.