Table 5.
Overall single-feature system performance in patients with hippocampal epilepsy (currect study) and neocortical epilepsy (previous study, Aarabi and He, 2012) with a seizure prediction horizon of 10 sec.
| Feature | Study | SEN % |
FPR /h |
Preictal change compared to baseline | ||
|---|---|---|---|---|---|---|
| Decrease | increase | No-change | ||||
| Correlation dimension | Previous | 78.8 | 0.26 | 44.9 | 44.9 | 10.2 |
|
|
||||||
| Current | 91.7 | 0.17 | 50 | 47.4 | 2.6 | |
|
| ||||||
| Lyapunov exponent | Previous | 73.5 | 0.21 | 51 | 36.7 | 12.3 |
|
|
||||||
| Current | 94.1 | 0.18 | 55.3 | 36.8 | 7.9 | |
|
| ||||||
| Lempel-Ziv complexity | Previous | 68.9 | 0.24 | 36.7 | 44.9 | 18.4 |
|
|
||||||
| Current | 91.7 | 0.25 | 36.8 | 60.5 | 2.7 | |
|
| ||||||
| nonlinear interdependence | Previous | 84.9 | 0.26 | 81.6 | 6.2 | 12.2 |
|
|
||||||
| Current | 90.8 | 0.2 | 26.3 | 63.2 | 10.5 | |
SEN: sensitivity; FPR: false prediction rate;