Table 3

Multivariate analysis of determinants of augmentation index, pulse wave velocity and aortic root size

Dependent variable
Independent variable
R-square
Standardised β-coefficient
p

Carotid AIx





Presence of MFS
0.34
-0.63
<0.001

Age
0.66
-0.57
<0.001

Height
0.81
0.40
0.002
PWV





Age
0.50
0.47
0.007

MAP
0.61
0.47
0.008

Presence of MFS
0.72
0.34
0.022
Aortic root size





Presence of MFS
0.69
0.90
<0.001

PWV
0.82
0.50
<0.001

Carotid AIx
0.88
0.33
0.012
Aortic root/BSA





Presence of MFS
0.76
0.87
<0.001

AIx, augmentation index. MAP, mean arterial pressure. PWV, pulse wave velocity. MFS, Marfan Syndrome. Aortic root size is at sinus of Valsalva. BSA is adjustment for body surface area.

Payne et al. Journal of Cardiothoracic Surgery 2007 2:43   doi:10.1186/1749-8090-2-43