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Association of beta-blockers with two-year mortality in patients with and without COPD. (A) Association of beta-blockers with two-year all-cause mortality in patients with COPD. (B) Association of beta-blockers with two-year all-cause mortality in patients without COPD. Prescription of beta-blockers was associated with a lower all-cause mortality at two years regardless of COPD (A and B).
