Table 4.
Spearman correlations between image, pulmonary lung function, and BAL measures.
| Parameter | Correlate | |||||
|---|---|---|---|---|---|---|
| FEV1 % predicted | FEV1/FVC % predicted | FEF25–75 % predicted | RV/TLC % predicted | BAL % Neutrophils | BAL Total Neutrophils (106 cells) | |
| Defect Score: | −0.76 | −0.24 | −0.54 | 0.58 | 0.23 | 0.06 |
| (n = 21) | p=0.0002 | p = 0.31 | p=0.03 | p = 0.02 | p = 0.17 | p = 0.82 |
|
| ||||||
| Expiratory Densitometry: | ||||||
| (n = 45) | ||||||
|
| ||||||
| Percent below | −0.37 | −0.52 | −0.55 | 0.53 | 0.16 | 0.18 |
| −850 HU | p = 0.04 | p = 0.02 | p = 0.002 | p = 0.003 | p = 0.54 | p = 0.51 |
|
| ||||||
| % Defect Volume: | ||||||
|
| ||||||
| Whole Lung | −0.57 | −0.23 | −0.43 | 0.37 | 0.41 | 0.30 |
| (n = 21) | p = 0.007 | p = 0.31 | p = 0.08 | p = 0.15 | p = 0.11 | p = 0.27 |
|
| ||||||
| @BAL Site | - | - | - | - | 0.68 | 0.61 |
| (n = 17) | p = 0.0039 | p = 0.0125 | ||||