Table 1 Clinical characteristics of the patients
Patient 1 | Patient 2 | Patient 3 | |
|---|---|---|---|
Ages (yr) | 26 | 63 | 42 |
Gender (M/F) | M | F | M |
Cough duration (month) | 42 | 24 | 25 |
Heartburn | Yes | Yes | No |
Regurgitation | Yes | Yes | Yes |
Cough symptom score | |||
Daytime | 3 | 4 | 3 |
Nighttime | 1 | 2 | 2 |
Cough threshold to capsaicin | |||
C2(μmol/L) | 0.49 | 0.49 | 1.95 |
C5(μmol/L) | 31.2 | 1.95 | 7.8 |
FEV1 (%predicted) | 99.1 | 101.8 | 86.1 |
FVC (%predicted) | 96.9 | 104.0 | 96.1 |
FEV1/FVC (%) | 89.5 | 83.8 | 75.0 |
PD20FEV1(μmol) | >7.8 | >7.8 | >7.8 |