Table 5 PCA results with eigen analysis and correlation loadings of the 3 first principal components (PCs).

From: Short-term increase in discs’ apparent diffusion is associated with pain and mobility improvements after spinal mobilization for low back pain

 

PC1 (mobility)

PC2 (pain)

PC3 (diffusion)

Eigenvalue

2.38

1.16

1.07

Variance (%)

34

16.6

15.3

Cumulative variance (%)

34

50.6

65.9

ΔTF

0.16

−0.53

0.45

ΔTE

0.87

0.11

0.04

ΔTLFl

0.91

−0.07

0.10

ΔTLFr

0.84

0.18

0.05

ΔVAS

0.01

0.82

−0.13

ΔADCall

−0.23

0.34

0.62

Level

0.14

−0.19

−0.67

  1. PCA was computed on mobility, pain, and apparent diffusion changes (Δ) between after and before the application of PA mobilizations and also include anatomical level. Values in bold indicate the most important components of each PC.
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