Primary outcome parameters | | | | | |
24 hour sputum volume (ml)† | 10 (5–25) | 5 (2–20) | 10 (5–20) | 5 (3–20) | 0.72 | −1.0 (−6.56 to 4.56) |
Exacerbation frequency(/year)† | 4 (2–5) | 2 (1–4) | 2 (1–4) | 2 (1–3) | 0.41 | 0.42 (−0.59 to 1.43) |
| | | | | | |
Secondary outcome parameters | | | | | |
Sputum purulence score | 6.1 (2.0) | 5.7 (2.7) | 6.0 (1.8) | 5.5 (2.7) | 0.73 | −0.21 (−1.39 to 0.97) |
FEV1 % predicted | 74.1 (29.4) | 74.4 (31.5) | 74.4 (29.2) | 74.4 (29.9) | 1.00 | −0.02 (−13.19 to 13.14) |
FVC % predicted | 83.1 (23.6) | 83.1 (23.4) | 85.0 (22.6) | 85.9 (23.3) | 0.58 | 2.81 (−7.2 to 12.82) |
% of patients with | | | | | | | |
Cough | 76.7 | 60.5 | 93.0 | 81.4 | 0.03 | | |
Dyspnoea | 16.3 | 2.3 | 23.3 | 4.7 | 1.00 | | |
Haemoptysis | 39.5 | 9.3 | 51.2 | 4.7 | 0.68 | | |
Chest pain | 32.6 | 18.6 | 41.9 | 16.3 | 0.78 | | |
Wheezing | 39.5 | 23.3 | 46.5 | 20.9 | 0.80 | | |
Fatigue | 74.4 | 55.8 | 65.1 | 69.8 | 0.18 | | |