Table 3.

∆HbO₂ ((mmol/L)*mm) of the PD-FOG NI group and HCs among different ROIs in FOG time.

Time	ROIs	PD-FOG (n = 28)	HCs (n = 28)	Statistical value	p-value	Cohen’s d
FOG Time	S1	−0.01 ± 0.06	0.04 ± 0.06	3.274	0.002	0.833
	M1	−0.01 ± 0.07	0.04 ± 0.06	3.115	0.003	0.767
	PFC	−0.01 ± 0.07	0.03 ± 0.05	2.754	0.008	0.658
	PMC	0.01 ± 0.05	0.02 ± 0.04	0.825	0.413	0.221
	MTG	0.02 ± 0.08	−0.00 ± 0.08	1.119	0.268	0.250
	SAC	0.01 ± 0.05	0.03 ± 0.05	1.254	0.215	0.400
	DLPFC	−0.01 ± 0.08	0.03 ± 0.06	1.643	0.106	0.566

ROIs, regions of interest; S1, primary somatosensory cortex; M1, primary motor cortex; PFC, prefrontal cortex; PMC, premotor cortex; MTG, middle temporal gyrus; SAC, somatosensory association cortex; DLPFC, dorsolateral prefrontal cortex; Cohen’s d values are presented as absolute values.