Table 3. Weighted kappa of test vs. retest (consensus of n = 3 readers), displayed for category subscores and for the global score.

Category	κ	95% CI
Tracheal disease	0.21	0.00–0.75
Bronchial disease	0.88	0.55–0.98
Small airway disease	1.00	1.00–1.00
Consolidations	0.80	0.55–1.00
Nodules	0.75	0.32–1.00
Parenchymal defects	0.77	0.49–1.00
Perfusion defects	0.77	0.61–0.93
Perfusion defects (collateral findings)	0.74	0.24–1.00
Impaired respiratory mechanics	0.76	0.45–1.00
Impaired respiratory mechanics (collateral findings)	1.00	1.00–1.00
Pulmonary trunk ectasia	0.86	0.17–1.00
Right ventricular enlargement	0.64	0.00–1.00
Special findings	0.42	0.00–0.93
Global	0.86	0.81–0.91