Treatment | Patients | Patients prescribed treatment before spirometry | Patients prescribed treatment after spirometry | p-value |
Short-acting β-agonists# | 132 | 104 (79) | 128 (97) | ns |
Anticholinergics¶ | 132 | 24 (18) | 49 (37) | 0.003 |
Long-acting β-agonists+ | 132 | 10 (8) | 33 (25) | <0.001 |
Inhaled corticosteroids§ | 132 | 69 (52) | 94 (71) | 0.05 |
Inhaled corticosteroids in patients with FEV1<50% pred and >1 exacerbation·yr-1 | 36 | 23 (64) | 28 (78) | ns |