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Table 19 Vagal tone (CVT) and clinical form

From: Rett syndrome: a wide clinical and autonomic picture

CVT Classical
(n = 83)
Z-RTT
(n = 19)
Hanefeld
(n = 12)
Congenital
(n = 1)
ARTT-NOS
(n = 17)
Mean (SD) 5.6 (3.5) 5.9 (2.4) 6.1 (7.7) 0.7 (−) 6.4 (3.4)
Range 1.2–20 3–13.1 0.9–28.9 1.9–15