| |
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
|
- FEV1: forced expiratory volume in one second; FVC: forced vital capacity; PD20FEV1: the cumulative provocative dose of histamine causing a 20% fall in FEV1.
