Application of multi-planar reconstruction technique in endovascular repair of aortic dissection

Table 4 Comparison of marker point dispersion rate and complication rate in each group, n (%)

Groups		MPR group (n = 55; 36%)	VR group (n = 46; 30%)	MIP group (n = 52; 34%)	χ2	P value
Marker point dispersion rate		2 (3.64)	8 (17.39)	14 (26.92)	11.104	0.004
Complication	Stent displacement	1 (1.82)	1 (2.17)	3 (5.77)	-	-
	Internal leakage	1 (1.82)	2 (4.35)	5 (9.62)
	Artery dilatation	0	1 (2.17)	2 (3.85)
	Aortic rupture	0	0	1 (1.92)
	Overall complications	2 (3.64)	4 (8.70)	11 (21.15)	8.693	0.013

MPR: Multi-planar reconstruction; VR: Volume reconstruction; MIP: Maximum intensity projection.