Baseline characteristics of study participants
Inhaled corticosteroids | Placebo | |
---|---|---|
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 participants | 2543 | 2542 |
Age at enrolment (years) | 59 (9) | 59 (9) |
Men | 1798 (71%) | 1810 (71%) |
Body mass index (kg/m2) | 25 (5) | 25 (5) |
Current smokers | 1775 (70%) | 1738 (68%) |
Baseline post-bronchodilator FEV1 (% predicted) | 59 (19) | 58 (20) |
Length of follow up (months) | 26 (15) | 26 (15) |