Table 3.

Performance on neuropsychological tests for the study samples.

Cognitive test	bvFTD	AD	Controls	F	Post-hoc test
ACE-R (100)	79.3 ± 12.7	77.4 ± 7.4	94.9 ± 3.9	**	Patients < Con
Digits-F	5.6 ± 1.2	5.6 ± 1.3	7.6 ± 1.1	**	Patients < Con
Digits-B	3.8 ± 1.0	3.8 ± 0.7	5.8 ± 1.1	**	Patients < Con
Trails A (sec)a,e	58.3 ± 36.9	47.9 ± 22.1	34.3 ± 9.2	ns
Trails B (sec)d,f	212.8 ± 91.1	162.5 ± 72.6	82.0 ± 27.0	**	Patients > Con
Naming (30)	23.1 ± 4.3	21.9 ± 3.5	26.3 ± 2.4	*	AD < Con
Doors A (12)b,e	8.6 ± 1.6	7.2 ± 2.4	10.9 ± 1.0	**	Patients < Con
RCF Copy (36)e	27.7 ± 5.4	29.7 ± 3.6	30.9 ± 3.3	ns
RCF 3-min Delay (36)e	10.8 ± 6.9	6.5 ± 5.3	18.1 ± 5.9	**	Patients < Con
RAVLT 30-min recall (15)a,g	5.0 ± 4.0	1.1 ± 1.5	11.9 ± 2.1	**	Patients < Con; AD < bvFTD
RAVLT 30-min recognition (15)c,g	10.8 ± 4.8	10.5 ± 3.2	14.1 ± 1.4	*	AD < Con
Fluencya,e	21.4 ± 10.8	28.6 ± 12.2	53.2 ± 13.4	**	Patients < Con
Ekman 60 (60)e	36.0 ± 13.3	41.9 ± 6.2	50.2 ± 4.5	**	bvFTD < Con

Values are: Mean ± Standard deviation. Maximum scores on cognitive tests in parentheses. Abbreviations: ns = p > 0.05;

^*p < 0.05;

^**p < 0.001. Con, controls; ACE-R, Addenbrooke's Cognitive Examination-Revised; Digits-F, Digit Span forwards, maximum span; Digits-B, Digit Span backwards, maximum span; RAVLT, Rey Auditory Verbal Learning Test; RCF, Rey Complex Figure. Missing data: bvFTD missing

^a1;

^b2,

^c3,

^d4; AD missing:

^e1,

^f2,

^g3.