Table 4.

Correlation between the aortic diameters of aortic arch and risk factors by univariate regression analysis

Variables	Proximal arch		Mid arch		Distal arch
	Coefficient ρ	P values	Coefficient ρ	P values	Coefficient ρ	P values
Sex	0.940	0.000	1.092	0.000	0.927	0.000
Age, year	0.006	0.592	0.004	0.718	0.012	0.152
BSA	2.816	0.000	2.796	0.000	1.860	0.002
Smoking	0.800	0.001	0.631	0.006	0.457	0.015
Alcohol	0.714	0.015	0.359	0.191	0.520	0.021
SBP	0.013	0.007	0.007	0.118	0.010	0.010
DBP	0.030	0.000	0.037	0.000	0.033	0.000
Hypertension	0.771	0.002	0.605	0.010	0.373	0.055
DM	− 0.391	0.165	− 0.571	0.029	− 0.845	0.000
CAD	− 0.750	0.002	− 0.701	0.002	− 0.357	0.056
Hyperlipidaemia	0.591	0.247	− 0.057	0.905	0.134	0.733
Triglyceride	− 0.041	0.662	− 0.008	0.928	− 0.117	0.109
TC, mmol/L	− 0.028	0.792	− 0.134	0.179	− 0.042	0.615
HDL-C, mmol/L	− 0.271	0.560	0.115	0.790	0.268	0.455
LDL-C, mmol/L	0.045	0.747	− 0.232	0.071	− 0.030	0.779
Lipoprotein (a)	0.000	0.445	− 0.001	0.161	0.000	0.692
Cerebral infarction	–	–	0.405	0.072	–	–
Carotid atherosclerosis	–	–	–	–	0.339	0.075
RBC	0.421	0.007	0.407	0.005	0.288	0.016
Hemoglobin	0.029	0.000	0.027	0.000	0.017	0.004
Statin agent	− 0.502	0.069	− 0.392	0.128	− 0.056	0.793
Hypoglycemic agent	− 1.044	0.003	− 1.123	0.001	− 1.391	0.000
Anti-hypertension agent	0.576	0.016	0.447	0.046	0.328	0.076

Statistical differences: P < 0.05; only baseline variables and other interested variables that showed a univariate relationship with aortic diameter with P < 0.1 were displayed in the table

BSA body surface area, SBP systolic blood pressure, DBP diastolic blood pressure, CAD coronary artery disease, DM diabetes mellitus, COPD chronic obstructive pulmonary disease, CIMT carotid intima-media thickness, TC Total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, RBC red blood cell

– Not applicable