Table 1.

Relative power in different frequency bands in the waking state (Ctrl) and the early stage of emergence from anesthesia (ESEA).

Relative power spectrum		Delta (0–4 Hz)	Thetaa (4–8 Hz)	Alpha (8–13 Hz)	Beta (13–30 Hz)	Gamma (30–80 Hz)
P9–P11 (n = 10)	Ctrl	1.0 ± 0.30	1.0 ± 0.28	1.0 ± 0.29	1.0 ± 0.26	1.0 ± 0.23
	ESEA	1.2 ± 0.40	2.0 ± 0.63	1.6 ± 0.72	1.1 ± 0.35	0.9 ± 0.14
P16–P18 (n = 8)	Ctrl	1.0 ± 0.42	1.0 ± 0.20	1.0 ± 0.24	1.0 ± 0.28	1.0 ± 0.38
	ESEA	1.6 ± 0.35	0.6 ± 0.16	1.2 ± 0.40	1.3 ± 0.38	1.1 ± 0.37

^aP9–11: Ctrl vs ESEA, P = 0.022; P16–18: Ctrl vs ESEA, P = 0.446; ESEA: P9–11 vs P16–18, P = 0.004, two-way ANOVA followed by Bonferroni’s t-test