Table 1 Patient demographics and clinical characteristics

Age, years

69.0 (8.5)

63.9 (7.2)

68.1 (6.5)

8.60

0.014^a

AD > bvFTD

65.7 (5.7)

69.5 (6.7)

11.33

0.010^a

AD > bvFTD

Age of onset, years

65.9 (7.8)

61.4 (7.6)

64.6 (6.9)

6.87

0.032^a

AD > bvFTD

61.4 (6.9)

66.5 (6.2)

11.01

0.012^a

Not significant

Sex (female)

30 (69.8%)

10 (35.8%)

23 (60.5%)

8.24

0.016^b

AD > bvFTD

8 (57.1%)

15 (62.5%)

8.34

0.039^b

AD > bvFTD

MMSE (/30)

19.4 (5.5)

18.7 (7.5)

19.4 (7.7)

0.63

0.729^a

na

24.0 (3.8)

16.7 (8.1)

11.82

0.008^a

SD-R > SD-L, AD

CDR severity

0.8 (0.6)

1.1 (0.8)

0.8 (0.5)

5.10

0.078^a

na

0.9 (0.5)

0.7 (0.4)

6.63

0.085^a

na

PSMS score (/6)

5.5 (1.2)

4.4 (1.9)

5.6 (1.1)

15.58

<0.001^a

SD-all, AD > bvFTD

5.5 (0.9)

5.6 (1.2)

16.30

<0.001^a

SD-L, AD > bvFTD

Lawton IADL score (/5)

3.7 (1.1)

3.0 (1.7)

4.5 (0.9)

18.84

<0.001^a

SD-all > bvFTD, AD

4.3 (1.1)

4.6 (0.7)

19.44

<0.001^a

SD-L > bvFTD, AD

J-ZBI score (/88)

20.0 (13.6)

30.8 (17.2)

17.3 (14.2)

13.30

0.0013^a

bvFTD > SD-all, AD

26.3 (17.0)

12.1 (9.3)

21.56

<0.001^a

bvFTD > SD-L, AD

SD-R > SD-L