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AUCROC and 95% CI for LCI1/40, LCI1/30, LCI1/20 LCI1/10 and inverse FEV1% predicted (1.0 indicating best performance, 0.5 indicating poor performance)
| AUCROC | 95% CI | p Value | |
|---|---|---|---|
| LCI1/40 | 0.89 | 0.80 to 0.97 | <0.0001 |
| LCI1/30 | 0.87 | 0.77 to 0.96 | <0.0001 |
| LCI1/20 | 0.87 | 0.78 to 0.96 | <0.0001 |
| LCI1/10 | 0.83 | 0.72 to 0.94 | <0.0001 |
| FEV1% predicted (inverse) | 0.73 | 0.60 to 0.86 | 0.002 |
AUC, area under the curve; FEV1, forced expiratory volume in 1 s; LCI, Lung Clearance Index, ROC, receiver operating characteristic
