Table 4.

Ct imaging of TEVAR group and MM group.

Category	MM	TEVAR	P value
Number of patients	50	12
Intima lesion (ULP/PAU)	15 (30.0)	10 (83.3)	0.002
Single lesion	12 (24.0)	2 (16.7)	0.872
Multiple lesions	3 (6.0)	8 (66.7)	<0.001
Location of major intima lesions
Descending aorta	12 (24.0)	7 (58.3)	0.049
Abdominal aorta	3 (6.0)	3 (25.0)	0.146
Location of proximal hematoma
Descending aorta	48 (96.0)	10 (83.3)	0.166
Abdominal aorta	2 (4.0)	2 (16.7)	0.166
Location of distal hematoma
Descending aorta	13 (26.0)	3 (25.0)	1.000
Abdominal aorta	36 (72.0)	5 (41.7)	0.098
Iliac artery	1 (2.0)	4 (33.3)	0.004
MAD, mm	38.5 ± 7.2	43.6 ± 8.1	0.035
Maximum haematoma thickness, mm	10.2 ± 2.8	14.9 ± 3.4	0.043
CT value of hematoma, HU	65.3 ± 2.6	67.2 ± 4.6	0.156
Pleural effusion	6 (12.0)	9 (75.0)	<0.001
Reexamination of CT
Disease progression	7 (14.0)	12 (100.0)	<0.001
Enlarged or thickened hematoma	2 (4.0)	4 (33.3)	0.011
Progression to AD or aneurysm	4 (8.0)	6 (50.0)	0.002
Increased pleural effusion	0 (0)	2 (16.7)	0.035
Other	1 (2.0)	0 (0)	1.000
No change or shrinkage of the hematoma	43 (86.0)	0 (0)	<0.001

AD, aortic dissection; MM, medical management; PAU, penetrating aortic ulcer; TEVAR, thoracic endovascular aortic repair; ULP, ulcer-like projection.

Categorical variables are presented as number (%). Continuous variables are presented as mean ± standard deviation.