Skip to main content

Table 2 Distribution of anatomical landmark covered by CTA

From: Variability of computed tomography angiography coverage of lung parenchyma in acute stroke

 

Overall

CSC

PSC

p-value

n (%)

940 (100)

471 (50.1)

469 (49.9)

 

Anatomical landmark on the most caudal axial CTA source image

 No lung parenchyma

19 (2)

4 (0.8)

15 (3.2)

< 0.001*

.01†

 Supra-aortic vessels

43 (4.6)

18 (3.8)

25 (5.3)

.268†

 Aortic arc

223 (23.7)

140 (29.7)

83 (17.7)

< 0.001†

 Ascending aorta

307 (32.7)

180 (38.2)

127 (27.1)

< 0.001†

 Carina

60 (6.4)

30 (6.4)

30 (6.4)

.986†

 Pulmonary artery

156 (16.6)

64 (13.6)

92 (19.6)

.013†

 Aortic valve or left atrium

27 (2.9)

10 (2.1)

17 (3.6)

.168†

 Right or left ventricle

97 (10.3)

23 (4.9)

74 (15.8)

< 0.001†

 Diaphragm or abdominal organs

8 (0.9)

2 (0.4)

6 (1.3)

.153†

  1. * χ2 test, two sided, p-values with a level of significance < 0.05; † χ2 test, two sided; p-values following Bonferroni-Correction with a level of significance < 0.003; CTA Computed tomography angiography, CSC Comprehensive stroke center, PSC Primary stroke center; Significant p-values are printed in bold