Table 1. Characteristics of patients included in the studies.

AF: Atrial fibrillation, CAD: Coronary artery disease, HTN: Hypertension, ICMP: Ischemic cardiomyopathy, NICMP: Non-ischemic cardiomyopathy, N/A: Not available. *History of myocardial infarction.

	MacDonald		Jones		Hunter		Di Biase		Prabhu		Marrouche
	Ablation arm	Rate control	Ablation arm	Rate control	Ablation arm	Rate control	Ablation arm	Amiod-arone	Ablation arm	rate control	Ablation arm	Medical therapy
Mean age (yrs)	62.3 ± 6.7	64.4 ± 8.3	64 ± 10	62 ± 9	55±12	60±10	62±10	60±11	59 ± 11	62 ± 9.4	64	64
Female gender	23%	21%	19%	8%	4%	4%	25%	27%	6%	12%	13%	16%
No. of patients	22	19	26	26	26	24	102	101	33	33	179	184
Follow up (months)	9.7	6.9	12	12	12	6	24	24	6	6	37.6 ± 20.4	37.4 ± 17.7
Persistent AF	100%	100%	100%	100%	96%	88%	100%	100%	100%	100%	70%	65%
NYHA class	II and III	II and III	II and III	II and III	II and III	II and III	II and III	II and III	≥II	≥II	I-IV	I-IV
ICMP	50%	47%	38%	27%	23%	29%	62%	65%	0%	0%	40%	52%
NICMP	50%	53%	62%	73%	77%	71%	38%	35%	100%	100%	60%	48%
LVEF %	36.1 ± 11.9	42.9 ± 9.6	22 ± 8	25 ± 7	31.8±7.7	33.7±12.1	29±5	30±8	32 ± 9.4	34 ± 7.8	32.5	31.5
LA diameter (mm)	N/A	N/A	50 ± 6	47 ± 7	52±11	50±10	47±4	48±5	48 ± 6	47 ± 8	48	49.5
6 min walk distance (meters)	317.5 ± 125.8	351.8 ± 117.1	416 ± 78	411 ± 109	N/A	N/A	348±111	350±130	491 ± 147	489 ± 132	N/A	N/A
Quality of life	55.8 ± 19.8	59.2 ± 22.4	42 ± 23	49 ± 21	N/A	N/A	52±24	50±27	N/A	N/A	N/A	N/A
Diabetes Mellitus	32%	21%	N/A	N/A	N/A	N/A	22%	24%	4%	5%	24%	36%
HTN	64%	58%	N/A	N/A	30%	33%	45%	48%	13%	12%	72%	74%
CAD	50%	53%	42%	50%	N/A	N/A	62%	65%	N/A	N/A	27%*	36%*