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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%) |
