Table 2.
Values of area under the ROC curve (AUC), sensibility (Se), specificity (Sp) and respective cut points for the FOT and spirometric parameters.
| Se(%) | Sp(%) | AUC | Cut-off point | |
| R0 (cmH2O/L/s) | 70.0 | 100.0 | 0.89 | 2.78 |
| S (cmH2O/L/s2) | 70.0 | 65.0 | 0.63 | -4.18 |
| Rm (cmH2O/L/s) | 80.0 | 80.0 | 0.87 | 2.48 |
| Crs,dyn (L/cmH2O) | 80.0 | 80.0 | 0.88 | 0.018 |
| Fr (Hz) | 80.0 | 45.0 | 0.53 | 11.22 |
| Zrs4 (cmH2O/L/s) | 80.0 | 95.0 | 0.92 | 3.57 |
| FEV1 (L) | 70.0 | 50.0 | 0.59 | 3.11 |
| FEV1 (%) | 65.0 | 50.0 | 0.51 | 105.0 |
| FVC (L) | 75.0 | 55.0 | 0.58 | 3.75 |
| FVC (%) | 75.0 | 55.0 | 0.54 | 107.4 |
| FEV1/FVC | 70.0 | 55.0 | 0.64 | 85.7 |
| FEF25-75 (L) | 70.0 | 55.0 | 0.60 | 3.73 |
| FEF25-75 (%) | 60.0 | 65.0 | 0.55 | 110.9 |
| FEF/FVC | 50.0 | 60.0 | 0.56 | 95.6 |