Table 2. Intraoperative characteristics in patients with and without malperfusion.

Operative variable	Malperfusion (n=26)	No malperfusion (n=75)	P value
Extent of repair			0.13
Tube graft only	42.3% [11]	57.3% [43]
Hemiarch	30.8% [8]	13.3% [10]
Arch	11.5% [3]	18.7% [14]
Aortic root procedure	11.5% [3]	5.3% [4]
Cardiopulmonary bypass time (minutes)	173 [141–209]	182 [164–208]	0.25
Cross clamp time (minutes)	88 [60–122]	93 [67.5–112]	0.72
Circulatory arrest time (minutes)	19 [12–24.5]	23 [14–33]	0.14