Table 2 Spectral concentration (SC), kurtosis and peak frequency $\left({\widehat{f}}_p\right)$ obtained by the algorithms in the case of real registers.

AFL patients

SC

0.687 ± 0.126

0.600 ± 0.151

0.378 ± 0.092

0.661 ± 0.134

Kurtosis

-0.610 ± 0.350

-0.007 ± 1.728

1.866 ± 1.260

-0.543 ± 0.295

${\widehat{f}}_p\left(Hz\right)$

4.117 ± 0.783

4.114 ± 0.780

5.139 ± 1.455

4.444 ± 1.048

AF patients

SC

0.527 ± 0.114

0.529 ± 0.112

0.380 ± 0.133

0.438 ± 0.164

Kurtosis

0.497 ± 1.020

0.874 ± 2.134

7.886 ± 18.746

0.138 ± 0.563

${\widehat{f}}_p\left(Hz\right)$

5.927 ± 1.067

5.933 ± 1.067

6.115 ± 1.065

5.881 ± 1.083