Table 1.

Baseline characteristics of patients.

	Fenestration (n = 41)	Chimney (n = 42)	p
Age, year	54.54 ± 11.49	53.98 ± 13.67	0.84
Gender, m	29	31	0.754
Co-morbidity, n
Hypertension	35	36	0.964
CAD	1	1	1
DM	0	2	0.494
Others	3	4	1
Parameters of the thoracic aorta
Zone 2 diameter, mm	31.05 ± 3.07	30.40 ± 2.91	0.329
Length of the proximal neck, mm	9.61 ± 3.17	9.33 ± 3.32	0.699
Distal attachment zone diameter, mm	23.44 ± 2.97	23 ± 3.19	0.518
Confined to thoracic aorta, n	10	11	0.85
Extend proximal to LSA, n	6	8	0.591

CAD, coronary artery disease; DM, diabetes mellitus; LSA, left subclavian artery.