Table 2.
Comparison of the performance of the individual items with confidence intervals in the Berlin questionnaire for prediction of OSA against polysomnography and home sleep study
| AHI ≥ 5/h | AHI ≥ 15/h | AHI ≥ 30/h | ||||
|---|---|---|---|---|---|---|
| PSG | Embletta | PSG | Embletta | PSG | Embletta | |
| Sensitivity | 0.80 (0.73, 0.88) |
0.76 (0.68, 0.83) |
0.78 (0.69, 0.87) |
0.81 (0.73, 0.90) |
0.79 (0.68, 0.91) |
0.88 (0.79, 0.98) |
| Specificity | 0.39 (0.16, 0.61) |
0.68 (0.48, 0.89) |
0.23 (0.11, 0.36) |
0.48 (0.35, 0.61) |
0.24 (0.14, 0.33) |
0.38 (0.29, 0.48) |
| PPV | 0.89 (0.83, 0.95) |
0.94 (0.89, 0.99) |
0.67 (0.58, 0.76) |
0.71 (0.62, 0.80) |
0.38 (0.29, 0.48) |
0.38 (0.29, 0.48) |
| NPV | 0.24 (0.09, 0.40) |
0.30 (0.17, 0.44) |
0.35 (0.17, 0.52) |
0.63 (0.48, 0.77) |
0.66 (0.48, 0.83) |
0.88 (0.79, 0.98) |
| LR+ | 1.31 (0.90, 1.91) |
2.39 (1.23, 4.68) |
1.02 (0.83, 1.24) |
1.57 (1.20, 2.06) |
1.03 (0.86, 1.25) |
1.43 (1.19, 1.73) |
| LR- | 0.51 (0.26, 1.02) |
0.36 (0.23, 0.55) |
0.95 (0.49, 1.86) |
0.39 (0.23, 0.65) |
0.89 (0.45, 1.75) |
0.30 (0.12, 0.72) |