Characteristic | Active HFCWO (n = 25) | Sham HFCWO (n = 27) | p-value | |
---|---|---|---|---|
Diagnosis, n (%) | Acute asthma | 15 (60) | 16 (59) | > 0.99 |
Acute COPD | 9 (36) | 10 (37) | ||
Acute asthma and COPD | 1 (4) | 1 (4) | ||
Age, years | 46.5 [38.6, 52.8] | 50.4 [43.9, 60.7] | 0.28 | |
BMI, kg/m 2 | 27.0 [23.7, 33.0] | 29.7 [23.7, 38.0] | 0.43 | |
Post-BD FEV 1 % predicted | 45 [26, 58] n = 23 | 40 [33, 55] n = 25 | 0.75 | |
Post-BD FEV 1 /FVC, % | 61 [49, 66] n = 23 | 55 [49, 66] n = 25 | 0.55 | |
Hospitalizations past year (excluding current) | 1 [0, 3] n = 21 | 1 [0, 4] n = 21 | 0.98 | |
Emergency room visits past year | 2 [0, 4] | 4 [0, 5] n = 25 | 0.50 | |
Corticosteroid courses past year | 2 [0, 4] n = 24 | 2 [0, 5] n = 25 | 0.58 |