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Table 4 Independent correlates of 3-dimensional peak principal strain amplitude calculations using ECG-gated CTA for the ascending aorta and global thoracic aorta

From: Three-dimensional thoracic aorta principal strain analysis from routine ECG-gated computerized tomography: feasibility in patients undergoing transcatheter aortic valve replacement

  Ascending Aorta Global Thoracic Aorta
Parameter β p-value β p-value
Age -0.02 0.91 0.05 0.61
Gender 3.05 0.15 0.89 0.37
Hypertension 0.08 0.97 -0.65 0.51
Stroke 8.85 0.03 3.72 0.046
Heart rate -0.04 0.75 0.003 0.95
Pulse pressure -0.03 0.75 0.009 0.86
Left ventricular ejection fraction -0.06 0.47 -0.04 0.31
Aortic valve area 14.41 0.008 3.73 0.003
Valvulo-arterial impedance 0.02 0.80 -0.004 0.93
Model-adjusted r2 0.58 0.015 0.608 0.012
  1. The global r2 of the model represents the amount of variance accounted for by these correlates