Subjects | FEV1/FVC <0.70 | FEV1/FVC <GLI-LLN | |||
Positive | Negative | Positive | Negative | ||
With COPD diagnosis | 37 | 29 | 8 | 17 | 20 |
No COPD diagnosis | 374 | 82 | 292 | 21 | 353 |
Total | 411 | 111 | 300 | 38 | 373 |
Kappa coefficient (95% CI) | 0.30 (0.19–0.39) | 0.40 (0.24–0.54) | |||
p-value | <0.001 | <0.001 |
Data are presented as n, unless otherwise stated. GLI-LLN: Global Lungs Initiative lower limit of normal, 5th percentile of Global Lungs Initiative 2012 z-scores distribution.