Table 1.

Comparison of phase, gain, and coherence in different frequency bands with respect to normo- and hypocapnia^*.

	Normocapnia	Hypocapnia
PHASE (IN RADIANS)
sVLF	1.01 ± 0.09	1.37 ± 0.08$
VLF	1.19 ± 0.10	1.53 ± 0.16$
LF	0.87 ± 0.15	1.25 ± 0.18$
HF	0.57 ± 0.15	0.96 ± 0.14$
GAIN (IN %)
sVLF	0.80 ± 0.17	0.29 ± 0.43$
VLF	0.72 ± 0.21	0.13 ± 0.18$
LF	1.51 ± 0.37	0.55 ± 0.26$
HF	2.25 ± 0.38	1.51 ± 0.33$
COHERENCE
sVLF	0.44 ± 0.06	0.33 ± 0.04$
VLF	0.48 ± 0.05	034 ± 0.03$
LF	0.62 ± 0.05	0.50 ± 0.03$
HF	0.65 ± 0.07	0.53 ± 0.05$

^*Mean ± SD.

For definition of sVLF, VLF, LF, and HF see text.

^$p < 0.01.