Table 2.

Respiratory medications (proportion of population) used at any time during the trial period according to treatment group for the full cohort (n = 108) and the activity questionnaire (AQ) subgroup (n = 46)

Respiratory medication (%)	Full cohort		AQ subgroup
	Tiotropium n = 55	Placebo n = 53	Tiotropium n = 25	Placebo n = 21
Anticholinergic	9	4	12	0
Long-acting beta-agonist	2	2	0	0
Inhaled steroid	46	32	56	29
Theophylline	18	21	20	14
Oral steroid	20	28	28	38
Oxygen	9	28	12	19