Characteristics of patients and controls
| No. | Age (years) | Sex | Cough duration (years) | FEV1 (% predicted) | |
|---|---|---|---|---|---|
| GER | 4 | 58 (3) | 4F | 7.3 (6.3) | 89.8 (8.1) |
| PND | 5 | 45 (8) | 3F/2M | 4.0 (1.1) | 105.8 (3.4) |
| Idiopathic | 10 | 60 (4) | 5F/5M | 5.0 (1.5) | 94.6 (5.5) |
| Controls | 10 | 27 (2) | 5F/5M | — | 107.8 (4.1) |
Data are present as mean (SE).
FEV1 = forced expiratory volume in one second; GER = gastro-oesophageal reflux; PND = post-nasal drip.