Table 1.

Demographic characteristics of patients.

No.	Age (years)	Gender	NYHA	Coronary angiography	Complicated diseases	Duration of AF (years)	Operation
1	68	Male	II	Negative	Hypertension, cerebral infarction	3	Surgical AF ablation
2	75	Male	II	Negative	Hypertension, cerebral infarction	5	Surgical AF ablation
3	73	Male	II	Negative	Hypertension, cerebral infarction	4	Surgical AF ablation
4	35	Male	I	Negative	Negative	0	Healthy organ donors
5	35	Male	I	Negative	Negative	0	Healthy organ donors
6	40	Male	I	Negative	Negative	0	Healthy organ donors

NYHA, New York heart association; INR, international normalized ratio; AF, atrial fibrillation.