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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Pain. 2017 Aug;158(8):1586–1598. doi: 10.1097/j.pain.0000000000000961

Table 5.

Component loadings for intervention split by treatment – Sucrose.

Factors PC1 PC2 PC3
Loading P-value Loading P-value Loading P-value
Total brain volume 0.723 0.0000 0.563 0.0000 0.392 0.0025
Sex 0.404 0.0015 −0.833 0.0000 0.367 0.0067
Needle-prick intervention −0.469 0.0005 0.108 0.4286 0.787 0.0000
Tactile intervention 0.428 0.0014 0.020 0.8743 −0.708 0.0000

CPCA, constrained principal component analysis; PC, principal component.