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Table 2 Age at the onset of symptoms and age at diagnosis

From: Neurodevelopmental outcome and respiratory management of congenital central hypoventilation syndrome: a retrospective study

  With tracheostomy Without tracheostomy
Age at the onset of symptoms n % n %
 Day 0 68 74.7 19 61.3
 Day 1–5 12 13.2 3 9.7
 Before 1 month 8 8.8 3 9.7
 After 1 month 3 3.3 6 19.4
 Total 91   31  
Age at diagnosis
 Before 2 months 61 76.3 15 57.7
 3–5 months 12 15.0 5 19.2
 6–11 months 3 3.8 1 3.8
 After 1 year 4 5.0 5 19.2
 Total 80   26