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. 2015 Sep 17;15(9):23727–23744. doi: 10.3390/s150923727

Table 3.

Absolute Spearman rank correlations between the first four principal components (PCs) and mean visual ratings of individual kinematic features.

PC1 PC2 PC3 PC4
Impairment 0.56 0.03 0.1 0.17
Speed 0.58 0.53 0.51 0.43
Irregularity 0.69 0.24 0.03 0.03
Hesitation 0.08 0.34 0.29 0.33