Results of analysis of single assessments
| Patients with symptom-based exacerbations | Patients with event-based exacerbations | Concurrence | |
| Individual symptoms | |||
| Breathlessness | 660 | 411 | 206 (44.0) |
| Chest tightness | 608 | 382 | 182 (38.9) |
| Cough | 649 | 416 | 242 (51.7) |
| Night-time awakening | 543 | 353 | 149 (31.8) |
| Any symptom | 737 | 451 | 330 (70.5) |
| Increased inhalations of rescue medication | |||
| 1 | 672 | 424 | 239 (51.1) |
| 2 | 469 | 314 | 130 (27.8) |
| 3 | 246 | 183 | 65 (13.9) |
| Fall in morning PEF % | |||
| 20 | 235 | 162 | 40 (8.6) |
| 15 | 352 | 241 | 63 (13.5) |
| 10 | 573 | 373 | 128 (27.4) |
Data presented as n or n (%). PEF: peak expiratory flow.