From: Rett syndrome: a wide clinical and autonomic picture
Epilepsy
% Classical (n = 98)
% Z-RTT (n = 19)
% Hanefeld (n = 13)
% Congenital (n = 1)
% ARTT-NOS (n = 20)
Absent
41.8
36.8
–
100
25
Controlled by therapy
40.8
57.9
61.5
60
Barely or not controlled by therapy
17.4
5.3
38.5
15