Table 1 Clinical parameters in cough variant asthma patients with and without inhaled corticosteroids
Without ICS | With ICS | P value | Total | |
|---|---|---|---|---|
Age (years) | 53.3 ± 14.3 | 47.6 ± 12.0 | 0.3495 | 49.9 ± 12.9 |
Gender (male/female) | 2/6 | 5/7 | 0.4439 | 7/13 |
Intreval of methcholine provocations (years) | 2.7 ± 1.0 | 3.4 ± 2.8 | 0.5172 | 3.1 ± 2.2 |
2.9 (1.1–4.0)* | 2.0 (0.5–8.0)* | 2.0 (0.5–8.0)* | ||
Duration of illness (months) | 41.5 ± 51.9 | 23.6 ± 31.4 | 0.3466 | 30.8 ± 40.5 |
10.0 (2.0–120.0)* | 12.5 (2.0–108.0)* | 12.0 (2.0–120)* | ||
Cough threshold (μM) | 11.1 (1.63)** | 6.2 (1.59)** | 0.4163 | 7.8 (1.40)** |
PC20-FEV1 (mg/ml) | 2.13 (1.52) | 1.80 (1.35) | 0.7464 | 1.93 (1.27) |
FVC (% predicted) | 105.4 ± 14.3 | 103.1 ± 19.1 | 0.7765 | 104.0 ± 17.0 |
FEV1 (% predicted) | 97.4 ± 15.2 | 93.2 ± 16.4 | 0.5763 | 94.9 ± 15.7 |
FEV1/FVC (%) | 73.3 ± 6.9 | 78.1 ± 6.5 | 0.1318 | 76.2 ± 6.9 |