EEG characteristics compared with outcome
| Characteristic | Category | Good outcome | Poor outcome | OR | 95% CI | p Value |
|---|---|---|---|---|---|---|
| Background characteristics | ||||||
| Initial amplitude | Low | 10 | 13 | |||
| Medium | 34 | 10 | 0.2 | 0.1 to 0.7 | <0.01 | |
| High | 11 | 4 | 0.3 | 0.1 to 1.3 | 0.07 | |
| Final amplitude | Low | 23 | 16 | |||
| Medium | 29 | 11 | 0.6 | 0.2 to 1.4 | 0.21 | |
| High | 2 | 0 | 0 | 0.25 | ||
| Initial frequency | Theta+some delta | 7 | 3 | |||
| Delta | 48 | 23 | 1.1 | 0.3 to 4.8 | 0.9 | |
| Mainly theta/greater | 0 | 1 | 0.2 | |||
| Final frequency | Theta+some delta | 9 | 4 | |||
| Delta | 45 | 23 | 1.2 | 0.3 to 4.2 | 0.8 | |
| Mainly theta/greater | 0 | 0 | ||||
| Seizure profile | ||||||
| During admission | No seizure | 20 | 5 | |||
| Seizures | 35 | 22 | 2.5 | 0.8 to 7.9 | 0.1 | |
| During monitoring | No seizure | 41 | 13 | |||
| Seizures | 14 | 14 | 3.2 | 1.1 to 8.7 | 0.02 | |
| Seizure types | Electrographic seizures | 12 | 10 | 2.1 | 0.8 to 5.9 | 0.1 |
| Electroclinical seizures | 5 | 6 | 2.9 | 0.8 to 10.7 | 0.1 | |