Table 6 Demographic, clinical characteristics, and neuropsychological that presented statistically significant differences between healthy controls and ET patients, covered by rules 1 to 5.

Age

57.6_a ± 12.2

61.8_a ± 12.3

67.9_a ± 8.7

67.3_a ± 4.5

79.0

Sex (1:male; 2:female)

1.44_a ± 0.53

1.50_a ± 0.52

1.88_a ± 0.35

1.33_a ± 0.52

1.0

Years of education

11.0_a ± 2.2

8.3_a,b ± 2.5

7.0_b ± 3.2

6.8_b,c ± 3.4

8.0

Trial Making Test-A, time for completion

35.6_a ± 10.7

79.4_a,b ± 43.4

74.7_a,b ± 28.4

122.3_b ± 64.1

30.0

Tower of London Tower, initiation time

50.8_a ± 20.5

84.9_b ± 30.0

50.4_a ± 13.2

69.0_a,b ± 27.1

64.0

Coding-Digit Symbol subtest from the Wechsler Adult Intelligence Scale - Third Edition, total score

63.1_a ± 12.0

34.6_b ± 20.5

35.2_b ± 16.0

25.0_b ± 6.5

49.0

Boston Naming Test, naming score

55.0_a ± 3.2

41.8_b ± 14.6

49.0_a,b ± 6.1

43.3_a,b ± 8.2

47.0

Boston Naming Test, total score

55.6_a ± 2.9

42.5_b ± 14.7

49.7_a,b ± 5.8

44.0_a,b ± 8.8

47.0

Controlled Oral Word Association Test, letter A

15.6_a ± 6.2

8.7_b ± 5.7

9.2_a,b ± 5.5

5.17_b ± 2.5

11.0

Controlled Oral Word Association Test, total score

42.3_a ± 14.2

27.7_a,b ± 16.0

28.1_a,b ± 10.9

21.50_b ± 5.2

38.0

Hooper Visual Organization Test, total score

44.0_a ± 8.9

34.7_a,b ± 10.3

33.5_a,b ± 4.2

29.5_b ± 5.61

38.0

Wechsler Memory Scale-Third Edition, Word List 1

5.4_a ± 1.5

4.2_a,b ± 1.5

3.4_b ± 1.4

4.17_a,b ± 1.2

5.0

Brief Visuospatial Memory Test-Revised, recognition trial

11.1_a ± 1.7

8.6_a,b ± 2.8

8.6_a,b ± 2.8

6.6_b ± 4.4

10.0

Personality Assessment Inventory, anxiety score

5.7_a ± 4.0

12.2_b ± 6.2

8.5_a,b ± 4.6

6.4_a,b ± 3.8

1.0

Personality Assessment Inventory, depression score

4.6_a ± 3.4

11.4_b ± 6.5

8.3_a,b ± 3.3

8.4_a,b ± 3.8

0.0