TABLE 5.
Diagnostic performance of predictive algorithms at identifying obstructive sleep apnea (as defined by respiratory disturbance index [RDI])
| Sens | Spec | PPV | NPV | |
|---|---|---|---|---|
| Snoring history | ||||
| RDI ≥5/h and <15/h | 90.7 | 13.4 | 36.3 | 72.6 |
| RDI ≥15/h and <30/h | 97.5 | 13.7 | 17.3 | 96.8 |
| RDI ≥30/h | 96.9 | 13.9 | 20.4 | 95.2 |
|
| ||||
| BMI >25 kg/m2 | ||||
| RDI ≥5/h and <15/h | 81.7 | 20.9 | 36.0 | 67.8 |
| RDI ≥15/h and <30/h | 92.6 | 22.3 | 18.1 | 94.2 |
| RDI ≥30/h | 92.2 | 22.8 | 21.4 | 92.8 |
|
| ||||
| Snoring history or witnessed apneas | ||||
| RDI ≥5/h and <15/h | 92.1 | 11.3 | 36.1 | 72.4 |
| RDI ≥15/h and <30/h | 99.4 | 11.8 | 21.8 | 17.3 |
| RDI ≥30/h | 97.4 | 11.8 | 20.1 | 95.2 |
|
| ||||
| Snoring history or choking | ||||
| RDI ≥5/h and <15/h | 91.8 | 10.2 | 35.8 | 69.7 |
| RDI ≥5/h and <30/h | 98.8 | 11.0 | 17.1 | 98.0 |
| RDI ≥30/h | 97.4 | 11.1 | 20.0 | 94.9 |
|
| ||||
| Snoring history or BMI >25 kg/m2 | ||||
| RDI ≥5/h and <15/h | 96.7 | 5.9 | 35.9 | 76.9 |
| RDI ≥15/h and <30/h | 100.0 | 5.9 | 16.5 | 100 |
| RDI ≥30/h | 99.5 | 6.0 | 19.4 | 98.1 |
|
| ||||
| STOP | ||||
| RDI ≥5/h and <15/h | 67.8 | 30.7 | 34.8 | 63.7 |
| RDI ≥15/h and <30/h | 84.7 | 34.2 | 19.3 | 92.3 |
| RDI ≥30/h | 89.1 | 35.8 | 24.0 | 93.5 |
|
| ||||
| STOP-Bang | ||||
| RDI ≥5/h and <15/h | 78.5 | 27.3 | 37.0 | 70.0 |
| RDI ≥15/h and <30/h | 94.5 | 28.9 | 19.8 | 96.6 |
| RDI ≥30/h | 94.3 | 29.7 | 23.4 | 95.8 |
Data presented as %. BMI Body mass index; NPV Negative predictive value; PPV Positive predictive value; Sens Sensitivity; Spec Specificity