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Table 6 Correlations between heart rate changes and ictal EEG pattern and state at seizure onset

From: Frequency of peri-ictal apnea and cardiac arrhythmias in epileptic seizures

  Arrhythmia Chi-square
Tachycardia Bradycardia
N % N % χ2 P value
State at seizure onset
Awake 1 3.13 0 0.00 5.452 0.065
Non REM 31 96.88 3 100.00
Right 13 40.63 3 100.00
Generalized 2 6.25 0 0.00
Ictal EEG pattern
Rhythmic spike and wave 5 15.63 0 0.00 15.580 0.016*
Paroxysmal fast activity 23 71.88 3 100.00
Rhythmical evolving theta, delta, alpha 4 12.50 0 0.00
Rhythmic polyspike and wave 0 0.00 0 0.00
  1. EEG electroencephalography, REM rapid eye movement, χ2 chi-square value
  2. *Statistically significant