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Table 1 Comparison of characteristics in patients with and without LIV stenosis

From: Left innominate vein stenosis in an asymptomatic population: a retrospective analysis of 212 cases

Risk factors LIV stenosis P
Without (n = 137) With (n = 75)
Male, n (%) 84 (61.3) 38 (50.7) 0.134
Age, years 58.6 ± 14.3 62.5 ± 11.7 0.041
Height, cm 166.3 ± 7.6 164.2 ± 8.0 0.059
Weight, kg 62 (56–70) 65 (60–70) 0.372
BMI 23.0 ± 3.3 23.9 ± 2.9 0.036
Hypertension, n (%) 31 (22.6) 26 (34.7) 0.059
Diabetes mellitus, n (%) 18 (13.1) 10 (13.3) 0.968
Coronary disease, n (%) 10 (7.3) 8 (10.7) 0.400
Stroke, n (%) 4 (2.9) 4 (5.3) 0.388
History of smoking, n (%) 25 (18.4) 12 (16.0) 0.663
History of thoracic surgery, n (%) 21 (15.3) 8 (10.7) 0.345
Calcification of aortic arch, n (%) 51 (37.2) 31 (41.3) 0.557
Crossing site of LIV over aortic arch, n (%)    <0.001
 Over the origin of the aortic arch 34 (24.8) 41 (54.7)  
 Over the three branches of the aortic arch 103 (75.2) 34 (45.3)  
Space between the aortic arch and sternum, mm 14.1 (11.9–16.3) 11.6 ± 4.2 <0.001
Aortic arch diameter, mm 30.2 ± 4.3 30.8 ± 3.8 0.262
Aortic arch cross-sectional area, mm2 728.9 ± 205.7 757.6 ± 177.2 0.310
Anterior–posterior diameter of the thoracic cage, mm 165.7 ± 19.9 168.3 ± 23.9 0.408
Left–right diameter of the thoracic cage, mm 228.5 ± 36.6 219.2 ± 41.4 0.094
Length of anterior and posterior mediastinum, mm 81.0 (71.4–95.2) 80.8 (69.9–100.4) 0.822
  1. LIV left innominate vein, BMI body mass index