Table 2.

Methods of upper airway obstruction analysis

Question 2. In patients with SDB, which methods do you use to determine the level of upper airway obstruction? (tick all that may apply)
	British responses (%)	Belgian responses (%)
Awake flexible nasendoscopy examination	138 (87.9%)	99 (92.5%)
Muller’s manoeuvre (with awake flexible nasendoscopy)	92 (58.6%)	71 (66.4%)
Simulated snoring (with or without awake flexible nasendoscopy)	32 (20.4%)	49 (45.8%)
Apneagraph	17 (10.8%)	5 (4.7%)
Other	20 (12.7%)	21 (19.6%)
Total	157	107