On Consistency of Cross-Approximate Entropy in Cardiovascular and Artificial Environments
Table 2
Relative error of XApEn() with respect to XApEn() in real signals .
,
,
= 1
= 2
= 3
= 4
= 1
= 2
= 3
= 4
300
5.16 ± 0.40
1.25 ± 0.28
1.61 ± 0.21
5.51 ± 0.75
6.40 ± 0.61
2.42 ± 0.49
2.85 ± 0.65
5.60 ± 0.88
500
2.57 ± 0.25
1.13 ± 0.21
2.61 ± 0.51
2.91 ± 0.57
3.61 ± 0.39
1.74 ± 0.29
1.68 ± 0.34
2.83 ± 0.60
750
1.57 ± 0.18
0.90 ± 0.21
1.93 ± 0.49
2.06 ± 0.44
2.09 ± 0.26
1.09 ± 0.25
1.56 ± 0.28
1.62 ± 0.43
2000
0.64 ± 0.17
1.07 ± 0.26
1.50 ± 0.45
1.83 ± 0.54
0.49 ± 0.16
1.43 ± 0.29
1.96 ± 1.40
2.62 ± 0.47
2500
0.46 ± 0.07
0.88 ± 0.14
1.29 ± 0.29
1.61 ± 0.42
0.32 ± 0.05
1.01 ± 0.22
1.45 ± 0.29
2.99 ± 0.47
3000
0.80 ± 0.16
0.91 ± 0.18
0.99 ± 0.25
1.22 ± 0.26
0.33 ± 0.08
0.99 ± 0.18
0.94 ± 0.16
2.03 ± 0.38
3500
0.67 ± 0.12
1.04 ± 0.19
1.89 ± 0.67
2.68 ± 1.28
0.52 ± 0.14
1.41 ± 0.33
1.58 ± 0.47
2.64 ± 0.58
4000
1.03 ± 0.20
1.65 ± 0.28
1.58 ± 0.26
1.15 ± 0.23
1.08 ± 0.25
1.22 ± 0.23
1.09 ± 0.24
1.79 ± 0.45
4500
0.68 ± 0.18
1.41 ± 0.39
1.72 ± 0.59
2.80 ± 0.73
0.94 ± 0.18
1.20 ± 0.30
1.90 ± 0.92
2.28 ± 1.33
5000
1.59 ± 0.36
1.57 ± 0.44
1.73 ± 0.61
2.26 ± 0.75
0.42 ± 0.08
2.20 ± 0.39
1.74 ± 0.56
1.64 ± 0.40
Results are presented as mean ± SEM. Results of 41 human volunteers are shown in the first three italic rows. Results of 25 rats in different conditions (total of 50 signals) are presented in roman rows.
