Table 2

 Baseline characteristics of study participants

Inhaled corticosteroidsPlacebo
FEV1, forced expiratory volume in 1 second.
Continuous variables are presented as mean (SD) unless otherwise specified.
Dichotomous variables are presented as number (% of column totals).
Number of participants25432542
Age at enrolment (years)59 (9)59 (9)
Men1798 (71%)1810 (71%)
Body mass index (kg/m2)25 (5)25 (5)
Current smokers1775 (70%)1738 (68%)
Baseline post-bronchodilator FEV1 (% predicted)59 (19)58 (20)
Length of follow up (months)26 (15)26 (15)