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* Trial did not report separate percent male proportions for SR versus AF patients.

6MWD = 6-min walking distance; AF = atrial fibrillation; EF = ejection fraction; HF = heart failure; LVEDD = left-ventricular end-diastolic diameter; MLWHF = Minnesota Living with Heart Failure questionnaire score; NA = not available; NYHA = New York Heart Association; Peak VO 2 = peak symptom-limited oxygen consumption; SR = sinus rhythm.