Table 4.

∆HbO₂ [(mmol/L)*mm] of the PD-FOG four intervention groups in FOG time.

Time	CH	NI	RVC	RAC	RVC+RAC	Statistical value	p-value	Partial η2	p-value (post hoc)
									None vs. RVC	None vs. RAC	None vs. RVC+RAC
FOG Time	CH19	0.03 ± 0.09	0.01 ± 0.07	0.00 ± 0.08	−0.04 ± 0.07	3.579	0.025	0.117	0.362	0.119	0.004
	CH23	−0.02 ± 0.07	0.02 ± 0.07	0.03 ± 0.09	−0.02 ± 0.06	3.264	0.032	0.108	0.032	0.032	0.784
	CH25	−0.04 ± 0.09	0.03 ± 0.07	0.03 ± 0.10	0.00 ± 0.07	3.663	0.020	0.137	0.014	0.012	0.138
	CH27	0.00 ± 0.08	0.04 ± 0.08	0.06 ± 0.11	−0.01 ± 0.08	3.617	0.019	0.118	0.099	0.027	0.535
	CH33	0.00 ± 0.08	0.04 ± 0.05	0.03 ± 0.06	0.01 ± 0.06	4.206	0.015	0.135	0.019	0.018	0.468

CH, channel; NI, no intervention; RVC, rhythmic visual cue; RAC, rhythmic auditory cue; RVC+RAC, combined RVC and RAC intervention; partial η², partial eta-squared.