Figure 5From: The effects of long-acting bronchodilators on total mortality in patients with stable chronic obstructive pulmonary disease The Effects of Long-Acting Beta-2 Agonists on Total Mortality. Abbreviations: CI, confidence interval; FORM, formoterol; LABA; long-acting beta-2 agonists; M-H, Mantel-Hanzel; SALM, salmeterolBack to article page