Skip to main content
. Author manuscript; available in PMC: 2009 Oct 11.
Published in final edited form as: Brain. 2008 Feb 7;131(Pt 4):928–937. doi: 10.1093/brain/awn006

Table 2.

Summary of high frequency oscillation detections

Patient Total number of HFO (SOZ vs. NSOZ) Clinical Macroelectrode (SOZ vs. NonSOZ) Microwire Electrode (SOZ vs. NonSOZ)
1 250 vs. 12 HFO: 27 vs. 9 HFO: 233 vs. 3
Ripple: 15 vs. 6 Ripple: 120 vs 2
Fast Ripple: 12 vs. 3 Fast Ripple: 103 vs. 1
2 61 vs 13 HFO: 28 vs. 8 HFO: 33 vs. 5
Ripple: 18 vs 8 Ripple: 23 vs 3
Fast Ripple: 10 vs. 0 Fast Ripple: 10 vs. 2
3 61 vs 8 HFO: 18 vs. 3 HFO: 43 vs. 5
Ripple HFO: 12 vs 3 Ripple: 20 vs. 3
Fast Ripple HFO: 6 vs. 0 Fast Ripple: 23 vs. 2
4 2 vs 5 HFO: 0 vs. 0 HFO: 2 vs. 5
Ripple HFO: 0 vs. 0 Ripple: 2 vs. 5
Fast Ripple HFO: 0 vs. 0 Fast Ripple: 0 vs. 0
5 167 vs. 30 HFO: 26 vs. 4 HFO: 141 vs. 26
Ripple HFO: 20 vs. 4 Ripple: 60 vs. 2
Fast Ripple HFO: 6 vs. 0 Fast Ripple: 81 vs. 24
6 116 vs. 37 HFO: 52 vs. 18 HFO: 64 vs. 19
Ripple HFO: 36 vs. 2 Ripple: 31 vs. 5
Fast Ripple HFO: 16 vs. 14 Fast Ripple: 33 vs. 14
7 68 vs. 13 HFO: 25 vs. 5 HFO: 43 vs. 8
Ripple HFO: 21 vs. 2 Ripple: 18 vs. 5
Fast Ripple HFO: 4 vs. 3 Fast Ripple: 25 vs. 3
Total 725 vs. 118 Total HFO: 176 vs. 47 Total HFO: 549 vs. 71
843 HFO Ripple: 122 vs. 25 Ripple: 274 vs. 25
Fast Ripple: 54 vs. 22 Fast Ripple: 275 vs. 46

High frequency oscillations (HFO);Seizure onset zone(SOZ); Non-Seizure onset zone(NSOZ). All results from 30 min of slow-wave sleep IEEG.