Table 2. Operative data.

	n	%	Mean±SD	Median	Min-Max
Temperature (°C)			25.6±1.9
Total perfusion time (min)			223.9±71.2
ASCP time (min)			88.9±60.3
Visceral ischemia				72	29-160
Reimplantation of the supra-aortic vessels
Island	5	21.7
Separate	16	69.6
Selective LSA revascularization	2	8.7
Level of proximal stent-graft anastomosis
Zone 0	11	47.8
Zone 1	1	4.3
Zone 2	4	17.4
Zone 3	7	30.4
Supra-aortic graft replacement	11	47.8
Additional operation
Aortic valve replacement	3	13
Coronary artery bypass grafting	1	4.3
Bentall procedure	3	13
SD: Standard deviation; Min: Minimum; Max: Maximum; ASCP: Antegrade selective cerebral perfusion; LSA: Left subclavian artery.