Age (years)
|
55.6 ± 1.9
|
52.7 ± 4.1
|
Females – number (%)
|
32 (74)
|
11 (73)
|
Ex smokers – number (%)
|
20 (47)
|
4 (27)
|
Atopic patients – number (%)
|
14 (33)
|
1 (7)
|
Duration of cough (years)
|
8.5 ± 1.5
|
ND
|
Most probable cause of cougha,
|
Rhinitis 22 (51)
|
ND
|
- number (%)
|
Esophageal reflux 14 (33)
| |
|
Asthma 9 (21)
| |
Leicester questionnaire total score
|
13.2 ± 0.5
|
ND
|
Cough sensitivity to hypertonic saline (coughs/Osmol/kg)
|
7.24 ± 1.03
|
ND
|
Histamine PD15 (mg)b
|
1.28 ± 1.20
|
ND
|
Nitric oxide concentration (ppm)
|
16.8 ± 2.0
|
ND
|
FEV1 (% of predicted)
|
93.7 ± 1.8
|
ND
|
PEF variation in ambulatory monitoring (%)
|
7.13 ± 0.68
|
ND
|