Table 1—

Subject characteristics

Subjects n17
Males n7
Age yrs61.0±11.5 (45–78)
BMI kg·m−223.7±3.3
Smoking history n
 Never-smoker8
Ex-smoker5
Current smoker4
Atopy9 (52.9)
Disease duration yrs22.2±16.6
Asthma control test score18.4±4.3
Anti-asthmatic drugs use
 Inhaled corticosteroid17 (100)
 Oral corticosteroid4 (23.5)
 LABA11 (64.7)
 Theophylline6 (35.3)
 Leukotriene receptor antagonist11 (64.7)
FVC L2.83±0.80
FEV1 L1.68±0.69
  • Data are presented as mean±sd (range), mean±sd or n (%), unless otherwise stated. BMI: body mass index; LABA: long-acting β2-agonist; FVC: forced vital capacity; FEV1: forced expiratory volume in one second.