Test | Weighted sensitivity | Weighted specificity | +LR | −LR |
---|---|---|---|---|
*FEF50/FIF50 = measure of extrathoracic airway obstruction. LRs defined in glossary and calculated from data in article. | ||||
†Unweighted data. | ||||
Oximetry | 87% | 65% | 2.5 | 0.2 |
Partial night PSG | 42% to 93%† | 70% to 100%† | — | — |
Daytime PSG | 66% to 100%† | 50% to 100%† | — | — |
Reduced-channel PSG | 82% to 94%† | 82% to 100%† | — | — |
FEF50/FIF50 | 20% | 79% | 1.0 | 1.0 |
Sawtooth sign | 62% | 63% | 1.7 | 0.6 |
FEF50/FIF50 and sawtooth sign | 39% | 61% | 1.0 | 1.0 |
Global impression | 59% | 66% | 1.7 | 0.6 |
Prediction equations | 67% | 89% | 6.1 | 0.4 |