EEG Pattern or Phenotype

Number of Patients

Number of Survivors

Continuous EEGs >20µV

40

19 (47.5%)

Alpha Coma (reversed anterior-posterior gradient)

7

-

Myoclonus Status Epilepticus

Non-Convulsive Status Epilepticus

13

5

-

1 (20.0%)

Low voltage EEG ≤ 20µV

22

2 (9.0%)

Periodic Discharges

62

2 (3.2%)

Burst Suppression (BS)

22

2 (9.0%)

Suppression ≤ 10µV

49

-