Skip to main content

Table 1 Principal scores of four single-ventricle patients (P1-P4) after projecting onto PCA models of 1,991 asymptomatic subjects.

From: Application of Atlas-based global shape and local contraction analysis to single-ventricle congenital heart disease

PC Geometry variation Pct P1 P2 P3 P4
PCA-ED
1 Size 44.5% -0.9 1.6 -0.7 2.2
2 Base Plane 10.6% 0.6 3.1 1.6 -0.2
3 Basal Slice 9.2% 1.3 1.4 -6.6 0.5
4 Longitudinal (height) 6.8% -1.5 -3.1 -1.6 0.1
5 Apical Slice 5.0% -0.4 -2.0 -1.5 -0.4
PCA-ES
1 Size 43.1% -1.3 0.4 -0.8 1.5
2 LV Outflow Tract 11.0% -1.2 -1.8 3.3 -2.7
3 Basal Thickness 7.2% -0.2 -2.7 -0.8 0.8
4 Mid-lateral Wall 5.0% -3.4 -1.3 2.9 -2.3
5 Wall Thickness 4.3% 1.3 1.2 4.2 1.4
  1. Only the first five principal components (PC) are shown. Pct = percentage of variance explained. Values are the standardised principal scores; highlighted with bold face are values outside ± 2 standard deviation.