Table 6.

Baseline low beta band multivariate analyses according to ROI.

Variables	Beta-coefficient	95% CI	p-value	R2
Frontal region				0.271
WOMAC pain scale	0.006	0.002 to 0.010	0.006
Upper limb PPT	0.011	0.003 to 0.012	0.005
SF-36 emotion subscale	0.0004	0.00008 to 0.0007	0.014
Kellgren–Lawrence scale	0.013	0.0007 to 0.025	0.038
Bilateral affectation	0.008	− 0.012 to 0.029	0.417
Central region				0.284
SF-36 emotion subscale	0.0006	0.0002 to 0.0009	0.001
Kellgren–Lawrence scale	0.014	0.0007 to 0.028	0.039
Upper limb PPT	0.007	− 0.0009 to 0.016	0.079
WOMAC pain scale	0.005	0.0007 to 0.010	0.023
Bilateral affectation	0.017	− 0.006 to 0.040	0.138
Parietal region				0.186
Berg balance scale	0.003	0.0007 to 0.005	0.001
Kellgren–Lawrence scale	0.026	0.009 to 0.044	0.003
Bilateral affectation	0.018	− 0.008 to 0.044	0.169