Table 2.
Demographics of study subjects.
| FEV1 | Gender | Age (years) (± SEM) | |
| Severe | 35.6 (3.13) | 9 M / 6 F | 24.7 (1.56) |
| Mild | 77.4 (3.18) | 9 M / 7 F | 22.6 (1.37) |
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