Table 2.

Frequency of aortic events at different heart rate levels.

	TA-AD	Recurrent pain	Re-Stenting	Recurrent AD	Aortic rupture
≤ 60 bpm (n = 8)	0	3 (42.8)	0	1 (12.5)	1 (12.5)
61–70 bpm (n = 29)	2 (7.1)	8 (38.1)	1 (4.7)	1 (3.4)	0
71–80 bpm (n = 60)	1 (1.7)	13 (25.5)	2(3.9)	2 (3.5)	2 (3.4)
81–90 bpm (n = 41)	1 (2.5)	9 (28.1)	1 (3.1)	1 (2.5)	1 (2.5)
> 90 bpm (n = 55)	1 (2.0)	7 (16.7)	1 (2.3)	0	0
X2	2.55	4.59	0.56	4.39	6.15
P	0.636	0.331	0.777	0.355	0.188

TA-AD, type A aortic dissection; AD, aortic dissection.