Table 3. Comparison of Upper-Airway Obstruction Pattern Between Drug-Induced Sleep Endoscopy and Natural Sleep Endoscopy.

Obstruction Site	Pattern, No.						Agreement, %	Cohen Weighted κ (95% CI)
	DISE			NSE
	AP	Lat	Circ	AP	Lat	Circ
Velum	2	2	22	2	2	19	88.5	0.50 (−0.03 to 1.03)
Epiglottis	4	1	0	2	1	0	92.3	0.67 (0.24 to 1.11)

Abbreviations: AP, antero-posterior; Circ, circular; DISE, drug-induced sleep endoscopy; Lat, lateral; NSE, natural sleep endoscopy.