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Table 2: Baseline characteristics
CTD (n = 143) Control (n = 143) P
No. % No. %
Dyslipidemia 30 21% 31 22% .89
HTN 38 27% 43 30% .51
DM 3 2% 15 10% .004^{^a}
Smoking 44 31% 50 35% .45
Stroke history 20 14% 21 15% .87
CAD history 8 6% 15 10% .13
Other aneurysm/dissection/ FMD history 85 59% 28 20% <.001^{^a}
    CNS 12 8% 8 6% .35
    Carotid 19 13% 3 2% <.001^{^a}
    Vertebral 11 8% 5 3% .12
    Aortic 58 41% 7 5% <.001^{^a}
    Subclavian/brachial 5 3% 0 0% .02^{^a}
    Coronary 8 6% 0 0% .004^{^a}
    Abdominal (mesenteric, celiac, splenic, hepatic) 18 13% 0 0% <.001^{^a}
    Renal 10 7% 0 0% .001^{^a}
    Iliac/femoral/popliteal 15 10% 0 0% <.001^{^a}
Note:—DM indicates diabetes mellitus; FMD, fibromuscular dysplasia; HTN, hypertension; CAD, coronary artery disease.
↵a Significant.

	CTD (n = 143)		Control (n = 143)		P
	No.	%	No.	%	P
Dyslipidemia	30	21%	31	22%	.89
HTN	38	27%	43	30%	.51
DM	3	2%	15	10%	.004^{^a}
Smoking	44	31%	50	35%	.45
Stroke history	20	14%	21	15%	.87
CAD history	8	6%	15	10%	.13
Other aneurysm/dissection/ FMD history	85	59%	28	20%	<.001^{^a}
CNS	12	8%	8	6%	.35
Carotid	19	13%	3	2%	<.001^{^a}
Vertebral	11	8%	5	3%	.12
Aortic	58	41%	7	5%	<.001^{^a}
Subclavian/brachial	5	3%	0	0%	.02^{^a}
Coronary	8	6%	0	0%	.004^{^a}
Abdominal (mesenteric, celiac, splenic, hepatic)	18	13%	0	0%	<.001^{^a}
Renal	10	7%	0	0%	.001^{^a}
Iliac/femoral/popliteal	15	10%	0	0%	<.001^{^a}