Table 3.

Linear regressions of amplitude and density of SWO and vSWO for the 200 sec and 32 sec prior to episode onset

	SWO		vSWO
200 sec	a	r2	a	r2
Amplitude
Fz	0.001 ± 0.001	0.04	−0.001 ± 0.001	0.22
Cz	0.000 ± 0.001	0.00	−0.001 ± 0.001	0.20
Pz	0.000 ± 0.001	0.00	0.000 ± 0.001	0.11
Density
Fz	0.005 ± 0.002	0.17*	0.008 ± 0.004	0.10°
Cz	0.005 ± 0.002	0.14*	0.011 ± 0.004	0.14*
Pz	0.004 ± 0.002	0.09°	0.011 ± 0.006	0.06
32 sec	a	r2	a	r2
Amplitude
Fz	0.025 ± 0.009	0.56°	0.026 ± 0.010	0.51°
Cz	0.021 ± 0.008	0.51°	0.015 ± 0.008	0.38
Pz	0.014 ± 0.006	0.48	0.017 ± 0.013	0.21
Density
Fz	0.055 ± 0.026	0.42	0.133 ± 0.057	0.47
Cz	0.089 ± 0.025	0.68°	0.147 ± 0.059	0.51°
Pz	0.096 ± 0.028	0.66	0.180 ± 0.090	0.40

^°P < 0.05,

^*P < 0.01,

^**P < 0.001; a = slope of the linear regression