Table 3.

Multivariable Logistic Regression Models to Assess Future Accelerated TAA Growth (Growth>Sex‐Specific Median)

Model	Chronological age alone c‐statistic: 0.660			Arterial age alone c‐statistic: 0.708			Chronological age+arterial age c‐statistic: 0.728
Variable	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value
Chronological age, 5 y	0.985	0.783–1.238	0.895	…	…	…	0.769	0.582–1.017	0.066
Arterial age, 5 y	…	…	…	1.161	1.045–1.290	0.005	1.230	1.085–1.394	0.001
Male sex (vs female sex)	0.923	0.360–2.537	0.867	0.900	0.339–2.387	0.832	0.941	0.350–2.527	0.904
BSA, 1 m2	0.985	0.130–7.461	0.988	1.110	0.154–8.005	0.917	0.551	0.065–4.649	0.584
dTAA (vs hTAA)	1.011	0.388–2.632	0.983	0.593	0.285–0.227	0.285	0.781	0.286–2.137	0.631
Baseline TAA size, 1 mm	1.057	0.956–1.040	0.281	1.015	0.914–1.128	0.778	1.026	0.923–1.140	0.639
Time between studies, 1 y	0.888	0.730–1.080	0.233	0.839	0.682–1.031	0.094	0.841	0.683–1.035	0.102
Non‐root aneurysm location	1.681	0.619–4.567	0.308	1.685	0.635–4.467	0.295	2.484	0.845–7.299	0.098
Concordant imaging modalities (vs discordant)	0.771	0.365–1.626	0.494	0662	0.306–1.432	0.295	0.607	0.276–1.334	0.214
Hypertension	1.009	0.432–2.236	0.983	0.744	0.301–1.835	0.521	0.713	0.285–1.784	0.470
Diabetes	0.623	0.082–4.752	0.648	0.493	0.055–4.393	0.526	0.473	0.051–4.377	0.509
Ever smoking	1.246	0.585–2.653	0.569	1.323	0.611–2.886	0.474	1.568	0.702–3.505	0.273
Hyperlipidemia	2.396	1.046–5.487	0.039	2.066	0.906–4.710	0.085	2.579	1.081–6.154	0.033
MAP, 1 mm Hg	0.999	0.959–1.040	0.959	1.002	0.961–1.044	0.940	1.008	0.966–1.052	0.704

BSA indicates body surface area; dTAA, degenerative thoracic aortic aneurysm; hTAA, hereditary thoracic aortic aneurysm; MAP, mean arterial pressure; OR, odds ratio; and TAA, thoracic aortic aneurysm.