A Retrospective Observational Study to Assess Prescription Pattern in Patients with Type B Aortic Dissection and Treatment Outcome

Table 1

Baseline characteristics of nonoperated TBAD patients.

Variables ()	Number (%)
Age, year (mean ± SD)	63.4 ± 12.9
Age group (year)
<65	57 (53.8)
≧65	49 (46.2)
Sex
Male	87 (82.1)
Female	19 (17.9)
Current smoker	37 (34.9)
Body mass index (mean ± SD)	25.5 ± 4.7
Body mass index group
Underweight	35 (33.0)
Standard	4 (3.8)
Overweight	34 (32.1)
Obesity	33 (31.1)
Follow-up time, year (mean ± SD)	2.75 ± 1.64
Location of aortic dissection
Only thoracic	16 (15.1)
Thoracic and abdominal	82 (77.4)
Only abdominal	8 (7.5)
Initial maximum aortic diameter, cm (mean ± SD)	4.06 ± 0.82
Thoracic aorta ()	4.11 ± 0.75
Abdominal aorta ()	3.23 ± 0.72
Initial maximum aortic diameter group
<30 mm	8 (7.6)
30–39 mm	47 (44.3)
40–49 mm	38 (35.9)
≧50 mm	13 (12.3)
Baseline blood pressure (mean ± SD)
SBP	129.2 ± 14.5
DBP	76.3 ± 9.7
MAP	93.9 ± 10.4
Baseline heart rate (mean ± SD)
Heart rate	71.4 ± 9.3
Comorbidities (before index day 1 year)
Hyperlipidemia	20 (18.9)
Hypertension	97 (91.5)
Diabetes mellitus	19 (17.9)
Chronic obstructive pulmonary disease	13 (12.3)
Heart failure	7 (6.6)
Coronary artery disease	13 (12.3)
Cerebrovascular disease	16 (15.1)
Chronic kidney disease	14 (13.2)
Cancer	10 (9.4)