Management of Stable Chronic Obstructive Pulmonary Disease: A Systematic Review for a Clinical Practice Guideline

Figure 4.
Figure 4. Mortality: inhalation treatments versus placebo or combination long-acting β2-agonists and corticosteroid therapy versus monotherapy.

LABA = long-acting β2-agonist; LHS = Lung Health Study; RR = relative risk.

This Article

  1. Ann Intern Med November 6, 2007 vol. 147 no. 9 639-653