Effects of Acupuncture on Cortical Activation in Patients with Disorders of Consciousness: A Functional Near-Infrared Spectroscopy Study

Table 5

Comparison of HbO concentrations in different channels of the two groups (VS and MCS groups).

Channel	Mean HbO concentration at stimulation (mmol/L)			Difference HbO concentration (mmol/L)
	VS group	MCS group	value	VS group	MCS group	value
32	0.061	0.043	0.740	0.086	0.044	0.430
34	0.062	0.083	0.532	0.071	0.096	0.501
45	0.062	0.072	0.795	0.077	0.078	0.972
46	0.049	0.026	0.465	0.057	0.048	0.775
Total	0.059	0.056	0.875	0.073	0.067	0.759

HbO, oxyhemoglobin; VS, vegetative state; MCS, minimally conscious state.