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Table 4 Composition of the 13 principal components (PCs) with each individual pelvic measurement weighting

From: Genetic mapping of principal components of canine pelvic morphology

Measurement location PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8 PC9 PC10 PC11 PC12 PC13
Pubis to Ischium 0.28 0.02 0.32 0.04 −0.04 0.66 0.44 −0.36 0.01 −0.22 −0.04 0.055 0.01
L.Ischium 0.21 0.14 0.44 0.18 0.11 −0.33 0.10 0.21 −0.13 −0.04 0.33 0.58 0.18
R.Ischium 0.29 0.12 0.44 0.21 0.12 −0.29 0.03 0.15 −0.09 −0.09 −0.50 −0.50 −0.16
Span of Cranial Ilium 0.30 −0.22 −0.14 0.11 0.13 0.18 0.16 0.15 −0.15 0.81 −0.20 0.10 0.04
Width of Sacrum 0.27 −0.17 −0.10 0.01 −0.88 −0.24 0.23 0.05 0.07 −0.01 −0.01 −0.03 −0.00
L.Ilium 0.29 0.19 −0.47 0.10 0.16 −0.07 0.22 −0.01 −0.38 −0.19 0.24 −0.35 0.47
R.Ilium 0.28 0.21 −0.51 0.09 0.18 −0.11 0.15 −0.01 0.13 −0.25 −0.30 0.38 −0.47
L.Ischial Tuberosity 0.28 0.045 −0.01 −0.45 −0.03 0.37 −0.20 0.71 0.05 −0.19 0.02 −0.03 0.01
R.Ischial Tuberosity 0.25 0.03 0.09 −0.80 0.13 −0.31 0.06 −0.39 −0.00 0.14 −0.05 0.01 0.03
L.Oscoxa 0.32 0.06 0.02 0.11 0.04 0.02 −0.17 −0.10 0.13 0.18 0.64 −0.31 −0.53
R.Oscoxa 0.31 0.09 −0.05 0.18 0.06 0.00 −0.31 −0.15 0.73 0.05 −0.09 −0.02 0.45
Pelvic Inlet Diameter 0.29 −0.22 −0.02 0.10 −0.13 0.11 −0.68 −0.29 −0.46 −0.14 −0.14 0.16 −0.00
Internal Pelvic Angle 0.10 −0.86 −0.02 0.02 0.30 −0.14 0.15 0.06 0.14 −0.29 0.08 −0.04 −0.01
  1. Each measurement is shown on radiographs in Fig. 1