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. 2012 Apr 26;9:24. doi: 10.1186/1743-0003-9-24

Table 5.

Agreement by parameter

Parameter Agreement
of 56 cases %
Root mean square (RMS)
8
14.29
Mean absolute value (MAV)
7
12.5
Maximum amplitude (MAX)
7
12.5
Slope sign changes (SSC)
7
12.5
Zero crossings (ZC)
7
12.5
Waveform length (WL)
9
16.07
Mean Frequency (MNF)
2
3.57
Median Frequency (MDF)
1
1.79
Signal-to-motion artifact ratio (SMR)
0
0
Maximum-to-minimum drop in power density ratio (DPR)
3
5.36
Signal-to-noise ratio (SNR)
4
7.14
Power spectrum deformation (Ω) 3 5.36

The condition for agreement was met when the guideline-recommended electrode pair was the same as the electrode pair that had a ranking of 1.