A novel anatomic severity grading score for acute Type B aortic dissections and correlation to aortic reinterventions after thoracic endovascular aortic repair

Table 7 Multivariate analysis of anatomic morphology characteristics for aortic reinterventions

			Multivariate analysis
	Attribute	Univariate analysis	P-value	Odds ratio	95% CI
Proximal Landing Zone	Whole lumen cross-sectional area contour change	0.404
	Maximum whole lumen cross-sectional area	0.221
	Left common carotid to left subclavian distance	0.312
	Left common carotid to entry tear distance	0.394
	Calcification and thrombus index	0.0345	0.122
Curvature and Tortuosity	Thoracic aorta tortuosity index	0.0565
	Intraaortic distance	0.821
	Arch type	0.308
Dissection	False lumen cross-sectional area index	0.133
	False lumen length	0.540
	Tear length	0.291
	Number of observable tears	0.757
	Tear circumferential location	1.000
Branch Vessels	Location	0.576
Branch Vessels	Patency	0.00587	0.013	2.120	1.170-3.840
Supraceliac Aorta	Whole lumen cross-sectional area contour change	0.697
Supraceliac Aorta	Maximum whole lumen cross-sectional area	0.445

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