Table 3.

Frequency of aortic events between control group and case group.

Group	Control group	Case group	X2	P
AD n (%)	2 (3.6)	3 (2.4)	0.20	0.650
Recurrent pain n (%)	9 (20.9)	31 (28.2)	0.84	0.359
Re-stenting n (%)	1 (2.2)	4 (3.6)	2.68	0.261
Recurrent AD n (%)	2 (3.5)	3 (2.4)	0.187	0.665
Aortic rupture n (%)	1 (1.8)	3 (2.3)	0.04	0.829