Table 1:

Demographic, clinical, and behavioral data comparison^a

	Controls	bvFTD	PPA	P Value (Group Effect)
Age (yr)b	61.07 ± 6.15	61.18 ± 11.96	64.64 ± 3.98	.55
Sexc	18/16	23/11	8/4	.33
FrSBe
Apathy	19.36 ± 10.55	30.26 ± 11.72	27.58 ± 13.16	.003
Disinhibition	15.86 ± 2.12	33.74 ± 9.27	24 ± 8.07	<.001
Executive dysfunction	20.41 ± 5.68	56.65 ± 16.93	34 ± 9.73	<.001
Neuropsychological test scores
MMSE	28.66 ± 1.11	18.9 ± 7.71	22.82 ± 5.51	<.001
ACE	92.45 ± 7.03	53.29 ± 24.9	55.9 ± 20.59	<.001

^aBonferroni post hoc tests compare differences between groups; both MMSE and ACE scores were absent in 8 patients with bvFTD and 2 with PPA.

^bStudent t test

^cχ² test.