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Table 2 Spectral concentration (SC), kurtosis and peak frequency ( f ^ p ) obtained by the algorithms in the case of real registers.

From: Exploiting periodicity to extract the atrial activity in atrial arrhythmias

  piCA pSAD STC ST-BSS
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
f ^ p ( H z ) 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
f ^ p ( H z ) 5.927 ± 1.067 5.933 ± 1.067 6.115 ± 1.065 5.881 ± 1.083