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Table 3 Correlations between oxygen desaturation and seizure semiology, lateralization, and ictal onset zone

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

 

Oxygen desaturation

Chi-square

Mild

Moderate

N

%

N

%

χ2

P value

Type of seizure semiology

 FOIA motor onset with automatism

12

48.00

4

50.00

41.825

<0.001*

 FOIA nonmotor onset

4

16.00

1

12.50

 FOIA motor onset hyperkinetic or FOA motor onset tonic or clonic

2

8.00

2

25.00

 FBTCS

6

24.00

1

12.50

 Absence

0

0.00

0

0.00

 GTCs

0

0.00

0

0.00

 Non convulsive seizure

1

4.00

0

0.00

Ictal onset zone

 Frontal

6

24.00

0

0.00

62.296

<0.001*

 Temporal

17

68.00

8

100.00

 Parietal

2

8.00

0

0.00

 Generalized

0

0.00

0

0.00

Seizure lateralization

 Left

14

56.00

3

37.50

28.007

<0.001*

 Right

11

44.00

5

62.50

 Generalized

0

0.00

0

0.00

  1. FBTCS focal onset to bilateral tonic-clonic seizures, FOA focal onset aware, FOIA focal onset with impaired awareness, GTCs generalized onset tonic-clonic seizures, χ2 chi-square value
  2. *Statistically significant