Drug-Induced Sleep Endoscopy Changes the Treatment Concept in Patients with Obstructive Sleep Apnoea

Table 4

Type of multilevel collapse in the upper airway.

Type of multilevel collapse	Number of patients
Palatal + base of tongue	4 (7.9%)
Palatal + base of tongue + epiglottis	1 (2.0%)
Palatal + oropharyngeal	12 (23.5%)
Palatal + oropharyngeal + epiglottis	6 (11.8%)
Palatal + oropharyngeal + base of tongue	17 (33.3%)
Palatal + oropharyngeal + base of tongue + epiglottis	9 (17.6%)