Table 4 Diagnosis of moderate to severe patients with AHI = 15 as the threshold using different combination of salient features
Data | Multiple variable | Single variable | |||||||
|---|---|---|---|---|---|---|---|---|---|
Predictive index (%) | NC, BMI, ESS, ODI | ODI, ESS | ODI, BMI | ODI | ODI2 | ODI3 | ODI4T | ODI4A | |
Dataset 1 (N = 616) | Accuracy | 86.85 | 87.82 | 87.01 | 87.33 | 87.2 | 89.5 | 87.8 | 89.8 |
Sensitivity | 88.67 | 89.87 | 87.95 | 87.71 | 91.6 | 86.1 | 85.7 | 90.6 | |
Specificity | 83.08 | 83.58 | 85.07 | 86.56 | 83.3 | 92.4 | 89.7 | 89.1 | |
AUC | 0.938 | 0.935 | 0.927 | 0.921 | 0.918 | 0.920 | 0.870 | 0.869 | |
Cutoff | - | - | - | - | 21.2 | 9.5 | 7.3 | 8.5 | |
Dataset 2 (N = 540) | Accuracy | 87.96 | 88.14 | 87.59 | 87.77 | 87.6 | 90.0 | 88.5 | 89.3 |
Sensitivity | 89.39 | 89.97 | 88.82 | 88.53 | 91.6 | 86.6 | 88.7 | 89.5 | |
Specificity | 85.34 | 84.81 | 85.34 | 86.38 | 84.4 | 92.7 | 88.4 | 89.1 | |
AUC | 0.941 | 0.939 | 0.940 | 0.924 | 0.925 | 0.927 | 0.872 | 0.875 | |
Cutoff | - | - | - | - | 21.2 | 9.5 | 7.3 | 7.3 | |