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Table 4 Differences between the corrected and measured distance from upper border of clavicular head to carina

From: Prediction of the optimal depth for superior vena cava cannulae with cardiac computed tomography during minimally invasive cardiac surgery: a prospective observational cohort study

Difference

CXR-PA

CXR-AP

0 ≤ D jx to carina < 2

0 (0%)

0 (0%)

2 ≤ D jx to carina < 3

3 (6.5%)

1 (2.2%)

3 ≤ D jx to carina < 4

11 (23.9%)

14 (30.4%)

4 ≤ D jx to carina < 5

21 (45.7%)

18 (39.1%)

5 ≤ D jx to carina < 6

10 (21.7%)

12 (26.1%)

6 ≤ D jx to carina

1 (2.2%)

1 (2.2%)

  1. Values are expressed as number (percentage). SVC superior vena cava, RA right atrium, CXR-PA chest radiography with postero-anterior projection, CXR-AP chest radiography with antero-posterior projection, D jx to carina difference between the corrected distance from the upper border of the clavicular sternal head to the SVC-RA junction and the measured distance from the upper border of the clavicular sternal head to the carina on chest radiography