Table 1 Demographic data

Number

228

67

161

Sex: male

107 (47%)

29 (43%)

78 (48%)

0.560

Sex: female

121 (53%)

38 (57%)

83 (52%)

Age at onset (years): median (IQR)

71.8 (13.2)

68.4 (11.9)

72.6 (13.2)

0.121

Age at baseline (years): median (IQR)

73.8 (14.7)

69.5 (13.1)

75.2 (13.5)

0.018*

Duration at baseline (months): median (IQR)

24.7 (25.1)

14.5 (21.7)

27.9 (27.4)

 < 0.001*

Education (years): < 8/8/10/12/ > 12

3%/44%/28% / 5%/20%

2%/49%/30% / 6%/14%

4%/42%/26% / 5%/23%

0.383

MMSE score at baseline: median (IQR)

24 (7)

19 (11)

25 (5)

 < 0.001*