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Table 7 Epilepsy distribution and onset (in months) and clinical forms

From: Rett syndrome: a wide clinical and autonomic picture

Epilepsy onset Classical
(n = 51)
Z-RTT
(n = 11)
Hanefeld
(n = 13)
Congenital
(n = 0)
ARTT-NOS
(n = 13)
Mean (SD) 62.6 (43) 49.4 (11.7) 2.2 (1.6) 49 (39.9)
Range 1–216 36–72 1–7 2–108