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| Spirometry findings | (n = 246) |
|---|---|
| Pattern | |
| Normal | 172 (69.9) |
| Obstructive | 28 (11.4) |
| Restrictive | 27 (11.0) |
| Mixed | 12 (4.9) |
| Unspecified | 7 (3) |
| Bronchodilator responsiveness | 24 (9.8) |
| Abnormalities | 74 (30.1) |
| Severity of abnormalitiesb | |
| Mild | 57 (77.0) |
| Moderate | 15 (20.3) |
| Severe | 2 (2.7) |
Values expressed as n (%). bn = 74.
