Chest symptoms described by 100 patients
| Breathlessness | = 100% | |||
| Wheezing | = 94% | |||
| Chest tightness | = 91% | |||
| Cough | = 88% | |||
| Chest pain | = 76% | |||
| Features of the chest pain (% patients affected) | ||||
| Location: | Quality: | |||
| Sternal/parasternal | 30 | Dull ache | 30 | |
| Subcostal | 26 | Sharp and stabbing | 28 | |
| Chest and back | 26 | Dull ache + sharp and stabbing | 17 | |
| Sternal and subcostal | 9 | Others (burning, raw, abrasive, tight) | 25 | |
| Back only | 6 | |||
| Others | 3 | |||
| Time started: | Severity: (scale 1–10) | |||
| With onset of attack | 37 | 9 | 5 | |
| Within 60 min of onset | 25 | 8 | 17 | |
| 1–6 hours | 16 | 7 | 19 | |
| 6–24 hours | 4 | 6 | 12 | |
| >24 hours | 18 | <6 | 47 | |
| Worsened by: | Improved by: | |||
| Coughing | 84 | Sitting upright | 66 | |
| Deep inspiration | 47 | Shallow breathing | 22 | |
| Movement | 43 | Keeping still | 18 | |
| Lying supine | 36 | Holding chest | 12 | |
| Lying on side | 12 | Lying on side | 9 | |
| PF manoeuvre | 8 | Lying supine | 8 | |
| Sitting up without support | 3 | Stretching | 7 | |
NB: Most patients reported several factors.