Table 1

Subject characteristics

Asthma patients (n=49)Healthy controls (n=18)
BDP=beclomethasone dipropionate; PEF=peak expiratory flow (personal best value for 1 month); FEV1=forced expiratory volume in 1 second (baseline values before inhaled β2 stimulant).
%PEF=PEF/predicted PEF; %FEV1=FEV1/predicted FEV1.
Values are expressed as mean (SD).
Pretreatments are 0.5 mg/kg prednisolone per day orally for 2 weeks and inhaled salbutamol sulfate (2 puffs) in patients with asthma.
Pretreatment is inhaled salbutamol sulfate (2 puffs) in healthy controls.
Age (years)45.3 (15.4)44.9 (14.5)
Sex (M:F)25:249:9
Duration of asthma (years)11.8 (13.8)0
Dose of BDP (μg/day)757 (486)0
%PEF (PEF/pred PEF)90 (25)105 (7)
%FEV1 (FEV1/pred FEV1) before pretreatment85 (14)99 (6)
%FEV1 (FEV1/pred FEV1) after pretreatment92 (14)101 (5)