Table 4 Correlations between oxygen desaturation and ictal EEG pattern and state at seizure onset
From: Frequency of peri-ictal apnea and cardiac arrhythmias in epileptic seizures
| Â | Oxygen desaturation | Chi-square | ||||
|---|---|---|---|---|---|---|
Mild | Moderate | |||||
N | % | N | % | χ2 | P value | |
State at seizure onset | ||||||
 Awake | 0 | 0.00 | 0 | 0.00 | 7.797 | 0.020* |
 Non REM | 25 | 100.00 | 8 | 100.00 | ||
Ictal EEG pattern | ||||||
 Rhythmic spike and wave | 6 | 24.00 | 0 | 0.00 | 17.744 | 0.007* |
 Paroxysmal fast activity | 19 | 76.00 | 6 | 75.00 | ||
 Rhythmical evolving theta, delta, alpha | 0 | 0.00 | 2 | 25.00 | ||
 Rhythmic polyspike and wave | 0 | 0.00 | 0 | 0.00 | ||