Table 4.
Performance characteristics of urinary biomarker prediction models for obstructive sleep apnea (OSA) outcome
| OSA Outcome | Cut-off Criterion | Predicted Positive | Predicted Negative | Sensitivity | Specificity | PPV | NPV | ||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| True Positive | False Positive | True Negative | False Negative | ||||||
| AHI > 1 | ≥ 1 | 17 | 11 | 9 | 1 | 94.4% | 45.0% | 60.7% | 90.0% |
| ≥ 2 | 16 | 9 | 11 | 2 | 88.9% | 55.0% | 64.0% | 84.6% | |
| ≥ 3 | 11 | 4 | 16 | 7 | 61.1% | 80.0% | 73.3% | 69.6% | |
| ≥ 4 | 9 | 1 | 19 | 9 | 50.0% | 95.0% | 90.0% | 67.9% | |
| AHI > 5 | ≥ 1 | 6 | 13 | 19 | 0 | 100.0% | 59.4% | 31.6% | 100.0% |
| ≥ 2 | 6 | 3 | 29 | 0 | 100.0% | 90.6% | 66.7% | 100.0% | |