Table 1.: Subject’s Characteristics

Smokers (n=17 ) Non-Smokers (n=22 ) p
Age (y) 30.0 ± 5.8 29.1 ± 6.4 0.65
Female/Male 11/6 16/6
Atopy (%) 15 (88) 21 (95)
Duration of asthma (y) 19.2 ± 9.6 15.9 ± 8.8 0.28
N. pack-years of smoking 10.9 ± 5.5
FEV1(L) 3.2 ± 0.7 3.0 ± 0.7 0.31
% pred 92.7 ± 16.7 85.1 ± 12.5 0.11
FVC (L) 4.7 1.0 4.0 0.9 0.03
% pred 116.1 ± 16.2 98.8 ± 13.9 0.001
PEF am (L/min) 401.0 ± 65.4 417.3 ± 86.1 0.52
PEF pm (L/min) 434.8 ± 70.1 432.2 ± 98.5 0.93
PC20 mg/ml* 0.84 (0.51-1.38) 0.85 (0.54-1.32) 0.90
β2 use/week 8.2 ± 3.6 4.5 ± 3.6 0.003
Awakenings/week 1.8 ± 2.9 1.4 ± 2.7 0.66
Asthma episodes/week 8.6 ± 5.6 6.8 ± 3.3 0.21
ACQ Score 2.0 ± 0.6 1.9 ± 0.7 0.77
ACSS Score
Clinical 70.0 ± 9.5 73.2 ± 11.6 0.36
Physiological 84.7 ± 13.3 81.8 ± 20.4 0.62
Inflammatory 69.3 ± 24.9 62.9 ± 25.8 0.50
Global 74.9 8.9 73.9 13.0 0.77
AQLQ Score
Symptoms 4.4 ± 1.0 4.3 ± 1.0. 0.65
Activities 5.6 ± 0.9 5.1 ± 1.2 0.16
Emotion 5.1 ± 1.1 5.1 ± 1.3 0.91
Stimuli 5.1 ± 1.2 5.1 ± 1.4 0.91
Global 5.0 ± 0.8 4.8 ± 1.0 0.58

Data are mean SD or otherwise mentioned.
* Geometric Mean (95% confidence interval).