Fig. 2From: The aorta after coarctation repair – effects of calibre and curvature on arterial haemodynamicsPrincipal component (PC) analysis (PCA) of 3D curvature, showing first 5 principal components (PC1–5). ‘Weight 0’ represents the mean aortic 3D curvature and Weight − 1 to + 1 represent ±2 standard deviations in each PC respectivelyBack to article page