aEEG and etiology scores obtained at neonatal period associated with outcome findings at the age of one year.

aFisher’s exact test;btwo-sided p value. Data are shown as n (%). Outcome scores, 0: normal, 1: mildly or moderately abnormal, 2: severely abnormal. Etiology scores, 0: associated with a potential favorable outcome, 1: associated with a potential moderate outcome, 2: associated with a potential adverse outcome. aEEG background pattern scores, 0: normal, 1: mildly abnormal, 2: severely abnormal. aEEG cyclicity scores, 0: mature, 1: immature, 2: none. aEEG seizure scores, 0: none or single seizure, 1: repetitive seizures, 2: status epilepticus.