Table 4.
Pulmonary function at baseline and post AITC cough challenge of subjects
| Healthy subjects | Patients with CRC | |||||
|---|---|---|---|---|---|---|
| Baseline | Post challenge | P | Baseline | Post challenge | P | |
| FEV1 (L) | 3.5 ± 0.4 | 3.5 ± 0.4 | 0.733 | 3.6 ± 0.8 | 3.5 ± 0.8 | 0.168 |
| FEV1% pred | 102.4 ± 12.2 | 102.3 ± 12.7 | 0.808 | 96.3 ± 7.8 | 95.6 ± 8.1 | 0.133 |
| FVC (L) | 4.0 ± 0.6 | 4.0 ± 0.6 | 0.421 | 4.2 ± 0.9 | 4.2 ± 0.9 | 0.226 |
| FVC % pred | 100.4 ± 13.1 | 100.2 ± 13.0 | 0.590 | 95.8 ± 9.1 | 96.9 ± 10.2 | 0.129 |
| FEV1 / FVC | 86.5 ± 4.9 | 86.5 ± 5.0 | 0.991 | 85.4 ± 5.8 | 85.3 ± 6.4 | 0.879 |
| MMEF (L) | 4.2 ± 0.7 | 4.2 ± 0.9 | 0.116 | 3.9 ± 1.5 | 3.9 ± 1.4 | 0.746 |
| MMEF % pred | 100.5 ± 20.1 | 100.3 ± 20.2 | 0.205 | 83.6 ± 19.8 | 83.5 ± 17.1 | 0.915 |
Data are expressed as mean ± SD. CRC chronic refractory cough, FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, MMEF maximum mid-expiratory flow