Table 2.

Aetiology by seizure status group, n=214

	n	Seizures on EEG	No seizures on EEG
			Did not receive AED before EEG start (n=115)	Received AED before EEG start (n=24)
		n (%)	n (%)	n (%)
HIE grade
Mild	50	0 (0.0)	48 (41.7)	2 (8.3)
Moderate	59	27 (36.0)	23 (20.0)	9 (37.5)
Severe	24	17 (22.7)	3 (2.6)	4 (16.7)
Metabolic/genetic disorder	20	16 (21.3)	4 (3.5)	0 (0.0)
Stroke	18	10 (13.3)	5 (4.3)	3 (12.5)
Suspected seizures—unconfirmed	12	0 (0.0)	9 (7.8)	3 (12.5)
Perinatal asphyxia without clinical encephalopathy	7	0 (0.0)	7 (6.1)	0 (0.0)
Sepsis/meningitis	6	2 (2.7)	3 (2.6)	1 (4.2)
Intracranial haemorrhage	5	0 (0.0)	4 (3.5)	1 (4.2)
Other	13	3 (4.0)	9 (7.8)	1 (4.2)