Table 5 Movement domain and clinical forms

Walking

% Classical (n = 97)

% Z-RTT (n = 19)

% Hanefeld (n = 13)

% Congenital (n = 1)

% ARTT-NOS (n = 20)

 Walks

21.6

36.8

15.4

–

10

 Walking impaired

50.5

57.9

38.5

–

55

 Not walking

27.8

5.3

46.1

100

35

Use of hands

% Classical (n = 97)

% Z-RTT (n = 19)

% Hanefeld (n = 13)

% Congenital (n = 1)

% ARTT-NOS (n = 20)

 Normal

2

15.8

–

–

–

 Reduced

54.6

78.9

61.5

–

65

 No

43.4

5.3

38.5

100

35

Stereotypies

% Classical (n = 95)

% Z-RTT (n = 19)

% Hanefeld (n = 13)

% Congenital (n = 1)

% ARTT-NOS (n = 20)

 Absent

4.2

21.05

15.4

–

15

 Mild

46.3

42.1

61.5

100

50

 Dominant or constant

49.5

36.8

23.1

–

35