Correlation coefficient between abnormalities on thin section CT scans and degree of airway obstruction (FEV1 % predicted and FEV1/FVC%)
| EB(n = 15) | Asthma(n = 18) | Controls(n = 11) | |
|---|---|---|---|
| *p = 0.026 correlation with FEV1 % predicted. | |||
| **p = 0.015 correlation with FEV1/FVC%. | |||
| Airway wall area percentage (WA%) | −0.04/−0.08 | −0.42*/−0.54** | −0.02/−0.14 |
| Prominence of centrilobular structure (grade) | −0.21/−0.12 | −0.04/−0.11 | 0 |
| Air trapping (%) | 0 | −0.26/−0.22 | 0 |