Table 3 Diagnosis of severe patients with AHI = 30 as the threshold using different combination of salient features
Data | Multiple variables | Single variable | |||||||
|---|---|---|---|---|---|---|---|---|---|
Predictive index (%) | NC, BMI, ESS, ODI | ODI, ESS | ODI, BMI | ODI | ODI2 | ODI3 | ODI4T | ODI4A | |
Dataset 1 (N = 616) | Accuracy | 90.42 | 90.58 | 90.58 | 90.42 | 87.2 | 89.5 | 87.8 | 89.8 |
Sensitivity | 88.07 | 87.01 | 86.31 | 87.36 | 91.6 | 86.0 | 85.7 | 90.6 | |
Specificity | 92.44 | 93.65 | 94.25 | 93.05 | 83.3 | 92.4 | 89.7 | 89.1 | |
AUC | 0.958 | 0.956 | 0.954 | 0.957 | 0.938 | 0.942 | 0.912 | 0.913 | |
Cutoff | - | - | - | - | 27.2 | 18.4 | 11.2 | 13.7 | |
Dataset 2 (N = 540) | Accuracy | 90.18 | 90.37 | 89.81 | 90.55 | 87.6 | 90.0 | 88.5 | 89.3 |
Sensitivity | 86.07 | 88.18 | 88.60 | 89.87 | 91.6 | 86.6 | 88.7 | 89.5 | |
Specificity | 93.39 | 92.07 | 90.75 | 91.08 | 84.4 | 92.7 | 88.4 | 89.1 | |
AUC | 0.952 | 0.946 | 0.950 | 0.953 | 0.945 | 0.946 | 0.913 | 0.913 | |
Cutoff | - | - | - | - | 27.2 | 18.4 | 10.4 | 13.7 | |