Table 1.

Spectral parameters for the two analyzed time periods in the VF episodes.

Parameter	Time Period: 0–3 s			Time Period: 3–6 s
	LV	RV	p	LV	RV	p
$f_0$ (Hz)	4.74 ± 0.62	4.74 ± 0.43	ns	4.83 ± 0.64	4.83 ± 0.47	ns
DF (HZ)	19.72 ± 4.90	15.69 ± 3.37	0.004	20.45 ± 4.79	15.66 ± 4.99	0.006
$f_{mean}$ (Hz)	22.45 ± 4.92	22.45 ± 3.70	<0.001	25.97 ± 4.01	22.25 ± 3.45	0.001
$P_n\left(f_0\right)$	0.54 ± 0.56	0.53 ± 0.66	ns	0.62 ± 0.50	0.57 ± 0.44	ns
$P_n\left(f_1\right)$	5.60 ± 2.62	8.27 ± 2.66	<0.001	6.06 ± 2.26	7.70 ± 2.69	0.022
$P_n\left(f_2\right)$	1.95 ± 2.09	4.10 ± 2.00	<0.001	2.14 ± 1.98	5.01 ± 3.31	0.002
$P_n\left(f_3\right)$	4.29 ± 3.11	7.67 ± 3.09	0.002	4.42±2.79	6.29 ± 3.05	0.02
$P_n\left(f_4\right)$	4.04 ± 1.61	5.78 ± 1.88	0.002	4.66 ± 1.90	5.08 ± 2.06	ns
$P_n\left(f_5\right)$	3.39 ± 1.39	3.44 ± 1.42	ns	4.11 ± 1.61	3.66 ± 1.99	ns
$BW\left(f_0\right)$ (Hz)	1.20 ± 0.73	1.02 ± 0.39	ns	1.27 ± 1.21	2.33 ± 5.90	ns
$BW\left(f_1\right)$ (Hz)	0.95 ± 0.16	0.87 ± 0.11	ns	0.93 ± 0.15	0.90 ± 0.11	ns
OI	0.45 ± 0.10	0.54 ± 0.11	0.003	0.48 ± 0.09	0.51 ± 0.06	ns
LK	0.83 ± 0.05	0.91 ± 0.04	<0.001	0.85 ± 0.06	0.89 ± 0.04	0.011