Median (IQR) cough frequencies and clinical parameters on admission and discharge
| Admission | Discharge | p value | |
|---|---|---|---|
| FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; CRP, C-reactive protein. | |||
| FEV1 (% predicted) | 41.8 (32–67.8) | 56.1 (40.2–76.8) | 0.002 |
| FEV1/FVC (%) | 60.5 (54.2–73.6) | 65.0 (58.2–75.3) | 0.213 |
| CRP (mg/dl) | 16 (1–31) | 5 (1–13) | 0.050 |
| Cough rate (cs/h) | |||
| Day | 21.2 (14.0–34.9) | 9.0 (5.8–12.8) | <0.001 |
| Night | 4.8 (1.0–6.8) | 1.5 (0.8–5.0) | 0.049 |
| Sputum (g) | |||
| Day | 7.1 (3.8–21.8) | 2.8 (0.0–4.5) | 0.041 |
| Night | 2.2 (0.0–9.3) | 0.0 (0.0–4.5) | 0.959 |
| Cough score | |||
| Day | 3.0 (2.0–3.0) | 1.5 (1.0–2.8) | 0.002 |
| Night | 1.0 (0.0–2.0) | 1.0 (0.0–1.0) | 0.216 |
| Visual analogue scale | |||
| Day | 60 (43–73) | 18 (12–53) | 0.005 |
| Night | 20 (3–46) | 7 (2–27) | 0.064 |