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Table 1 Clinical parameters in cough variant asthma patients with and without inhaled corticosteroids

From: Change in bronchial responsiveness and cough reflex sensitivity in patients with cough variant asthma: effect of 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
  1. *; median (range), **; geometric mean (geometric standard error of the mean).