Description of studies.

<p>CCU = coronary care unit; IG = intervention group; UC = usual care; MI = myocardial infarction; CR = cardiac rehabilitation; NA = not available; CABG = coronary artery bypass grafting.</p>a<p>also reported as 58 <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0073459#pone.0073459-Dracup1" target="_blank">[18]</a>;</p>b<p>also reported as 97% <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0073459#pone.0073459-Dracup1" target="_blank">[18]</a>.