Table 3 Diagnostic ability to identify desaturation during 6MWT in all patients.
AUC (95% CI) | Sensitivity | Specificity | Cutoff value | |
---|---|---|---|---|
1STST nadir SpO2 | 0.94 (0.86–0.98) | 92% | 91% | 92% |
FVC % predicted | 0.69 (0.59–0.78) | 61% | 77% | 80.1 |
DLCO % predicted | 0.86 (0.77–0.91) | 80% | 82% | 66.0 |
PaO2 at rest | 0.60 (0.47–0.71) | 66% | 67% | 89.2 Torr |