Predictive value of automated analysis of the Remmers sleep recorder
| Diagnostic cut-off | ROC area | Sensitivity (%) | Specificity (%) | Patients correctly classified (%) | LR+ | LR− |
|---|---|---|---|---|---|---|
| RDISuz−, diagnostic cut-off value of the respiratory disturbance index (RDI) calculated by the Suzanne recorder based on respiratory events associated with a fall in Spo2 of at least 4%; RDISuz, diagnostic cut-off value of the RDI calculated by the Suzanne recorder; RDISuz+, diagnostic cut-off value of the extended RDI calculated by the Suzanne recorder and incorporating respiratory events associated with autonomic arousals; ROC area. area under the receiver operating characteristic curve; LR+, likelihood ratio for a positive test result; LR−, likelihood ratio for a negative test result. | ||||||
| RDISuz− | ||||||
| ⩾5 | 0.95 | 94.1 | 74.4 | 85.1 | 3.68 | 0.08 |
| ⩾10 | 0.96 | 90.9 | 82.0 | 85.1 | 5.04 | 0.11 |
| ⩾15 | 0.99 | 95.2 | 87.7 | 89.4 | 7.72 | 0.05 |
| RDISuz | ||||||
| ⩾5 | 0.85 | 75.3 | 81.0 | 76.6 | 3.95 | 0.30 |
| ⩾10 | 0.90 | 67.9 | 87.8 | 76.6 | 5.57 | 0.37 |
| ⩾15 | 0.91 | 62.8 | 96.1 | 80.9 | 16.0 | 0.39 |
| RDISuz+ | ||||||
| ⩾5 | 0.84 | 73.7 | 83.3 | 75.5 | 4.42 | 0.31 |
| ⩾10 | 0.82 | 60.6 | 96.4 | 71.3 | 17.0 | 0.41 |
| ⩾15 | 0.94 | 51.9 | 97.5 | 71.3 | 20.7 | 0.49 |