Table 1. Characteristics of the study population.

Characteristic	N = 69
Age; mean (SD)	72.6 (7.0)
Gender male; N (%)	50 (72%)
Stanford A; N (%)	37 (54%)
Acute dissection; N (%)	46 (67%)
Diabetes; N (%)	5 (9%); 16 unknown
Hypertension; N (%)	36 (65%); 14 unknown
Smoking; N (%)	11 (22%); 18 unknown
Dyslipidemia; N (%)	9 (18%); 19 unknown
Renal dysfunction; N (%)	15 (25%); 10 unknown
Coronary arteries; N (%)	58 (84%)
Splenic artery; N (%)	30 (43%)
Aortic valve; N (%)	22 (35%); 6 prosthesis
Mitral valve or annulus; N (%)	8 (12%)