Bronchodilator responsea | Â | Â | Â |
---|---|---|---|
 | Mean % change (SD) |  | P value (T-test) |
Spirometry | Patients n = 4 | Controls n = 82 |  |
 ΔFEV1 | 3.3 (4.7) | 5.5 (9.7) | 0.607 |
 ΔFVC | 1.3 (6.5) | 2.7 (7.0) | 0.341 |
 ΔFEV1 / FVC | 2.5 (4.6) | 4.3 (8.1) | 0.672 |
 ΔPEF | −4.5 (13.7) | 6.5 (15.5) | 0.164 |
Impulse oscillometry | Patients n = 10 | Controls n = 82 |  |
 ΔR5 | −15.3 (15.9) | −14.6 (12.0) | 0.438 |
 ΔR10 | −15.4 (12.5) | −14.5 (10.7) | 0.809 |
 ΔR20 | −12.6 (11.1) | −9.6 (12.7) | 0.483 |
 ΔR5-R20 | −8.5 (28.7) | −11.7 (29.8) | 0.745 |
 ΔX5 | −18.2 (31.9) | −14.7 (24.0) | 0.673 |
 ΔAX | −21.6 (29.7) | −33.3(22.6) | 0.139 |
 ΔFres | −13.4 (15.8) | −13.1 (20.9) | 0.961 |