LOE<unk>  is defined as evidence obtained from either a limited number of populations, a single randomized clinical trial, or meta-analyses of non-randomized studies. The total number of class<unk> -LOE<unk>  recommendations in guidelines published<unk> y American cardiology societies is 229.
Class III B recommendations in guidelines for cardiovascular medicine
Class III C recommendations in guidelines for cardiovascular medicine
Class III recommendations in guidelines for cardiovascular medicine
Class III A recommendations in guidelines for cardiovascular medicine
Unclassified Class III recommendations in guidelines for cardiovascular medicine
Class III recommendations in guidelines for cardiovascular medicine list of guidelines
List of Class III recommendations in guidelines for cardiovascular medicine
Chronic stable angina ACC/AHA guidelines for alternative therapies in patients with refractory angina