Abnormal* spirometry | Normal spirometry | Predictive values | |
---|---|---|---|
N = 145 (%) | N = 94 (%) | ||
Persistent new-onset respiratory symptoms** | 82 (55.9) | 28 (38.7) | PPV |
74.5% | |||
No pulmonary symptoms | 65 (44.1) | 45 (61.3) | NPV |
59.1% | |||
Validity measures | Sensitivity | Specificity | |
55.8% | 61.6% |