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Mean percentage wall thickness (%WT) according to lobar origin and muscular pulmonary arterial size
| Lobe, artery size | Control subjects (n = 5) | COPD (n = 42) |
|---|---|---|
| Upper | ||
| Small | 13.6 ± 1.3 | 33.0 ± 1.3 |
| Medium | 13.9 ± 1.8 | 32.1 ± 1.3 |
| Large | 10.2 ± 2.2 | 29.1 ± 1.4 |
| Lower | ||
| Small | 13.4 ± 1.2 | 31.9 ± 1.2 |
| Medium | 13.1 ± 1.4 | 27.0 ± 1.3 |
| Large | 12.2 ± 2.1 | 25.2 ± 1.4 |
Values are adjusted mean of %WT ± standard error of the mean. COPD, chronic obstructive pulmonary disease.
