Table 5.

The sensitivity and specificity of desaturation during bronchoscopy for determining OSAS using AHI > 5/h and a positive symptom score using the Berlin questionnaire, Epworth sleepiness scale, Lausanne NoSAS and STOP-BANG as a reference standard

	OSAS using Berlin Questionnaire	OSAS using Epworth Sleepiness Scale	OSAS using Lausanne NoSAS	OSAS using STOP-BANG
Sensitivity	92	85	95	94
Specificity	10	7.6	13	15
Positive predictive value	54	17	55	64
Negative predictive value	54	69	69	62
Positive likelihood ratio	1.0	0.9	1.1	1.1
Negative likelihood ratio	0.8	1.97	0.38	0.40