Table 1 Characteristics of men and women with chronic cough undergoing ambulatory cough recording
Women(n = 59)Men(n = 27)p Value
Age (years)55.3 (10.9)58.3 (9.4)0.23
BMI (kg/m2)28.5 (5.2)27.0 (2.7)0.08
Reported cough history (years)3 (IQR 2–10)3 (IQR 1.5–10)0.68†
FEV1 (% predicted)103.3 (15.3)103.4 (16.5)0.99
FEV1/FVC ratio76.9 (7.8)74.1 (6.9)0.11
FEF50 (% predicted)66.9 (23.4)71.6 (24.6)0.40
Bronchial hyper-reactivity (PD20 <5.96 mg/dl)29/55 (49.2%)9/27 (33%)0.17*

  • Comparisons made by independent t test except for those marked *χ2 test and †Mann-Whitney test.

  • BMI, body mass index; FEF50, forced expiratory flow; FEV1, forced expiratory volume in 1 s; PD20, dose provoking a fall in FEV1 of 20% or more.