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. 2017 Jul 11;90(1075):20170178. doi: 10.1259/bjr.20170178

Table 3.

The comparison of lesion characteristics and the morphology of the superior mesenteric artery between spontaneous isolated dissection of the superior mesenteric artery (SIDSMA) and atherosclerotic group

	SIDSMA, mean ± SD	Plaque, mean ± SD	t	p-value
D_Entry (cm)	26.4 ± 10.7^a	5.7 ± 12.8	9.192	<0.001
Angle (°)	70.8 ± 29.2	61.6 ± 23.4	1.892	0.061
Diameter (mm)	9.3 ± 1.3	9.2 ± 1.4	0.545	0.587

SD, standard deviation.

^{^a}

Measurement from 50 patients with Type I and Type II. D_Entry, distance from the entry site or origin site to the aortic ostia.