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
| Â | 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 |