TABLE 1

Preoperative Characteristics

Patient no.	Age (y)	Sex	Maze* (±)	AF^† (±)	LVEF (%)
1	53	M	+	+	58
2	68	M	+	+	55
3	71	M	+	+	72
4	53	M	+	+	58
5	48	F	+	+	54
6	61	M	+	+	65
7	23	F	−	−	64
8	72	M	−	+	32
9	71	M	−	+	54
10	65	M	−	+	46
11	62	M	−	+	70
12	60	F	−	+	65
13	42	M	−	−	50

↵* Maze (±) indicates with Maze procedure (+) or without Maze procedure (−).
↵^† AF (±) refers to rhythm before surgery.
LVEF = left ventricular ejection fraction.