Table 1 Participant characteristics and neuropsychological test results

Number of participants

69

41

28

275

Sex, f:m

30:39

20:21

14:14

160:115

Age

55 (12.0)

53.0 (11.4)

51.1 (12.6)

45.8 (12.7)

Education

13.7 (3.1)

14.0 (3.5)

14.3 (3.4)

14.6 (3.4)

MMSE

27.1 (3.2)

26.6 (7.0)

27.5 (3.0)

29.3 (2.1)

CDR® plus NACC FTLD sob

5.9 (5.5)

3.4 (4.8)

4.8 (5.0)

0.2 (0.6)

 Camel and Cactus Test

− 1.81 (2.81)

− 0.57 (1.36)

− 2.10 (3.08)

–

 Boston Naming Test

− 1.77 (3.32)

− 0.68 (1.62)

− 2.63 (3.16)

–

 Category fluency

− 1.20 (1.05)

− 0.54 (1.04)

− 0.84 (1.14)

–

 Digit span forward

− 0.39 (1.19)

− 0.08 (1.26)

0.13 (1.23)

–

 Trail Making Test – part A

− 1.37 (2.17)

− 0.69 (1.63)

− 0.72 (1.54)

–

 Digit symbol

− 1.18 (1.30)

− 0.62 (1.23)

− 0.67 (1.31)

–

 D-KEFS CWIT – colour naming

− 2.85 (3.58)

− 0.52 (1.85)

− 1.30 (2.17)

–

 D-KEFS CWIT – word naming

− 1.86 (3.11)

− 0.02 (1.46)

− 0.54 (1.47)

–

 Digit span backward

− 0.53 (1.23)

− 0.49 (1.23)

− 0.19 (0.98)

–

 Trail Making Test – part B

− 2.44 (2.95)

− 1.81 (3.06)

− 1.37 (2.58)

–

 D-KEFS CWIT – ink naming

− 3.46 (3.91)

− 1.13 (2.21)

− 1.16 (2.54)

–

 Phonemic fluency

− 1.18 (1.18)

− 0.08 (1.33)

− 0.64 (1.28)

–

 Benson figure copy

− 0.90 (1.90)

− 0.06 (1.16)

− 0.46 (1.39)

–

 Benson figure recall

− 0.72 (1.57)

− 0.75 (1.46)

− 1.27 (1.91)

–

 FCSRT free recall

− 1.68 (1.36)

− 0.72 (1.49)

− 1.71 (1.80)

–

 FCSRT total recall

− 2.20 (3.56)

− 1.42 (3.05)

− 2.86 (3.62)

–

 FCSRT delayed free recall

− 1.59 (1.59)

− 0.97 (1.58)

− 1.72 (2.04)

–

 FCSRT delayed total recall

− 2.10 (3.81)

− 1.13 (3.09)

− 2.82 (4.02)

–

 Facial Emotion Recognition Test

− 1.67 (1.87)

− 1.00 (1.47)

− 1.04 (1.59)

–