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

Table 1 Methods used in the diagnosis of CCHS (n = 123)

	Number	Percent
Clinical manifestations	102	82.9
SpO₂ monitoring	82	66.7
PHOX2B gene mutation test	74	60.2
Blood gas analysis	62	50.4
Ventilatory response to CO₂	24	19.5
End-tidal CO₂	16	13.0
Tidal volume monitoring	9	7.3
Percutaneous CO₂ monitoring	2	1.6
Clinical manifestations + SpO₂ monitoring	71	57.7
Clinical manifestations + Blood gas analysis	59	48.0
Clinical manifestations + Ventilatory response to CO₂	20	16.2

ISSN: 1471-2431