Table I.

Comparison of patients with type B aortic dissection who did and did not have an echocardiogram within 6 weeks after presentation for TBAD management.

N (%)/Mean ± SD	TTE obtained (n=90)	No TTE obtained (n=149)	P
Age at dissection	57.6 ± 13.2	59.7 ± 13	.24
Male	66 (73.3)	102 (68.5)	.42
Race			.12
American Indian or Alaska Native	2 (2.2)	3 (2.0)
Asian	7 (7.8)	5 (3.4)
Black or African American	13 (14.4)	11 (7.4)
Caucasian	56 (62.2)	114 (76.5)
Multiracial	10 (11.1)	12 (8.1)
Native Hawaiian or Pacific Islander	2 (2.2)	1 (.7)
Unknown	0	3 (2.0)
Comorbid conditions
Hypertension	72 (80)	115 (77.2)	.61
Uncontrolled hypertensiona	32 (35.6)	27 (18.1)	.002
On 3 or more antihypertensives	9 (10)	18 (12.1)	.62
Diabetes mellitus	12 (13.3)	11 (7.4)	.13
Coronary artery disease	15 (16.7)	41 (27.5)	.06
Prior myocardial infarction	2 (2.2)	15 (10.1)	.02
Congestive heart failure	4 (4.4)	10 (6.7)	.47
Atrial fibrillation	6 (6.7)	9 (6)	.85
Prior stroke	6 (6.7)	12 (8.1)	.69
Chronic obstructive pulmonary disease	4 (4.4)	13 (8.7)	.21
Obstructive sleep apnea	5 (5.6)	8 (5.4)	.95
Chronic kidney disease	9 (10)	7 (4.7)	.11
End stage renal disease	2 (2.2)	1 (.7)	.30
Marfan syndrome	5 (5.6)	9 (6)	.88
Family historyb	15 (16.7)	16 (10.9)	.22
Ever smoker	59 (65.6)	117 (78.5)	.03
Methamphetamine or cocaine use	12 (13.3)	8 (5.4)	.03
Blood pressure
Peak systolic blood pressure on presentation	180 (150, 196)	184 (162, 204)	.32
Peak diastolic blood pressure on presentation	94 (78, 109)	99 (87, 113)	.04
Follow-up and mortality
Follow-up duration post TBAD diagnosis (y)	3.4 ± 3.6	5.0 ± 5.4	.01
All-cause mortality	27 (30)	74 (49.7)	.003
Age at death (y)	60.9 ± 13.5	71.5 ± 13.1	<.001

^a.Hypertension described as untreated, difficult to control, poorly controlled, or noncompliant

^b.Refers to family history of aortic or arterial aneurysm/dissection or sudden death. IQR = interquartile range, SD = standard deviation.