Performance evaluation of baseline ArtiQ.QC using original over-reader labels as the comparator in the 20% test dataset
| Overall | Asthma subgroup | COPD subgroup | |
| Curves n | 1659 | 841 | 818 |
| Accuracy | 87 | 89 | 84 |
| Sensitivity | 92 | 92 | 94 |
| Specificity | 24 | 43 | 15 |
| PPV | 93 | 96 | 87 |
| NPV | 30 | 29 | 32 |
Data are presented as %, unless otherwise stated. PPV: positive predictive value; NPV: negative predictive value.