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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: J Clin Neurophysiol. 2018 May;35(3):251–255. doi: 10.1097/WNP.0000000000000459

Table 2.

EEG Feature Score and Loading Factors.

EEG Feature EEG Feature Score Background Features Factor Loading Factor Intermittent Features Factor Loading Factor
Continuity 1 Continuous
2 Nearly Continuous with Attenuation
3 Nearly Continuous with Suppression
4 Discontinuous with Attenuation
5 Discontinuous with Suppression
6 Burst-Suppression
7 Burst-Attenuation
8 Suppression		 0.1998 0.0613
Voltage 0 Normal
1 Low
2 Suppressed		 0.5961 −0.0037
Frequency 0 Contains Alpha
1 Contains Theta
2 Contains Delta
3 Attenuated		 0.2344 −0.0125
Seizures 0 Absent
1 Present		 0.0244 0.2076
Periodic Patterns 0 Absent
1 Present		 −0.0401 0.4790
Inter-ictal Epileptiform Discharges 0 Absent
1 Present		 −0.0033 0.4059