The β-blockers carvedilol and metoprolol succinate both reduce mortality in patients with heart failure (HF), but the comparative clinical effectiveness of these drugs is unknown.
To investigate whether carvedilol is associated with improved survival compared with metoprolol succinate.
Design, Setting, and Participants
JAMA Intern Med. Published online August 31, 2014. doi:10.1001/jamainternmed.2014.3258