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