Performance evaluation of recalibrated 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 | 91 | 94 | 86 |
| Sensitivity | 97 | 98 | 98 |
| Specificity | 22 | 40 | 14 |
| PPV | 93 | 96 | 87 |
| NPV | 58 | 59 | 57 |
Data are presented as %, unless otherwise stated. PPV: positive predictive value; NPV: negative predictive value.