1996–7 | 2003–4 | p Value | |
% | % | ||
Short-acting β2 agonists | 97.6 | 78.5 | 0.0001 |
Long-acting β2 agonists | 1.2 | 77.9 | 0.0001 |
Ipratropium bromide | 89 | 58.1 | 0.0001 |
Tiotropium | 0 | 33.1 | 0.0001 |
Inhaled corticosteroids | 87.4 | 84.9 | 0.3 |
Chronic systemic corticosteroids | 2.4 | 2.3 | 0.6 |
Statins | 1.6 | 16.9 | 0.001 |
ACE inhibitors | 27.6 | 27.3 | 0.5 |
Angiotensin II receptor antagonists | 0 | 7.6 | 0.001 |
β-Blockers | 1.6 | 5.8 | 0.057 |
Antiplatelet drugs | 16.5 | 30.2 | 0.004 |