Analyzing EEG of Quasi-Brain-Death Based on Dynamic Sample Entropy Measures

Table 2

Set 𝑟=0.25×SD, with this threshold, and calculate the average difference 𝑑 for each channel. In the ApEn case, 𝑑=0.71, while in the SampEn case, 𝑑=0.75.

ApEn case	Fp1	Fp2	F3	F4	F7	F8	Avg.	Std.
C	0.3215	0.2336	0.1977	0.1415	0.6265	0.2279	0.2914	0.1743
D	0.8232	0.8353	1.0132	1.3042	1.1760	0.8363	0.9980	0.2044
SampEn case	Fp1	Fp2	F3	F4	F7	F8	Avg.	Std.
C	0.2802	0.1926	0.1588	0.1178	0.6146	0.1655	0.2549	0.1844
D	0.8036	0.8122	1.0239	1.3749	1.2068	0.8182	1.0066	0.2410