Table 5.
The sensitivity of detecting a chest CT bronchiectasis or air trapping subscore worse than the median for surrogate measures of lung disease
| Measure | Sensitivity | |
|---|---|---|
| Chest CT bronchiectasis | Chest CT air trapping | |
| WCXR | 94% | 86% |
| BCXR | 91% | 81% |
| WCXR bronchiectasis subscore | 91% | |
| BCXR nodular cystic subscore | 97% | |
| WCXR air trapping subscore | 72% | |
| BCXR air trapping subscore | 72% | |
| FEV1 % predicted | 42% | 38% |
| FEF25–75 % predicted | 38% | 35% |
| RV/TLC | 55% | 55% |
| Daily cough | 59% | 45% |
| Daily sputum production | 54% | 40% |