Table 2.

The clustering coefficient of K = 0.15 within th delta band for the patient and the controls during the resting, HV and post-HV with or without the mask.

clustering coefficient	without mask	with mask
NC
rest *	0.224 ± 0.048	0.278 ± 0.068
HV *	0.274 ± 0.060	0.244 ± 0.059
post-HV	0.275 ± 0.065	0.254 ± 0.054
Patient
rest	0.255 ± 0.050	0.245 ± 0.046
HV *	0.241 ± 0.040	0.275 ± 0.049
post-HV	0.283 ± 0.068	0.256 ± 0.064

Note: * means significant effect of Mask on the resting and the HV conditions.

NC, normal controls; HV, hyperventilation.