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Table 9 Sleep and clinical forms

From: Rett syndrome: a wide clinical and autonomic picture

Sleep % Classical
(n = 96)
% Z-RTT
(n = 19)
% Hanefeld
(n = 13)
% Congenital
(n = 1)
% ARTT-NOS
(n = 20)
None 66.7 78.9 38.5 40
Mild 17.7 21.1 46.1 100 45
Severe 15.6 15.4 15