Table 2.

Operative status and procedure

Variables	group A (N = 249)	group B (N = 172)	p-value
Operative status
Elective	201 (80.7)	131 (80.2)	0.9
Emergent	48 (19.3)	34 (19.8)
Rupture	48 (19.3)	31 (18.0)
Malperfusion	–	3 (1.8)
Operative procedure
1 debranching	8 (3.2)	10 (5.8)	0.19
2 debranching	8 (3.2)	4 (2.3)	0.81
Total debranching	2 (0.8)	0 (0.0)	0.24
Proximal landing zone
Zone 0	2 (0.8)	0 (0.0)	0.24
Zone 1	8 (3.2)	4 (2.3)	0.81
Zone 2	74 (29.7)	50 (29.1)	0.89
Zone 3	79 (31.7)	61 (35.5)	0.42
Zone 4	63 (25.3)	46 (26.7)	0.74
Zone 5	23 (9.2)	11 (6.4)	0.29

Data are presented as n (%)