Studied patients

(N = 60)

Pattern

Continuous

No

27

45%

Yes

33

55%

Discontinuous

No

33

55%

Yes

27

45%

Burst Suppression

No

42

70%

Yes

18

30%

Spikes

No

45

75%

Yes

15

25%

Amplitude

Normal

48

80%

Low

12

20%

Silent convulsions

Present

33

55%

Absent

27

45%

Cranial US

Normal

48

80%

IVH

12

20%

IVH grades by Cranial US

Grade 1

3

5%

Grade 2

3

5%

Grade 3

6

10%