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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.