Table 3.

Causes of death in patients with GNAO1 gene variants.

ID	Gender	Onset age	Age at death	Provoking factor	Immediate cause of death	Underlying cause of death
1	F	3m	4y	Pyrexia	Renal failure due to rhabdomyolysis	Status dystonicus
2	F	8m	2y5m	Pyrexia	Renal failure due to rhabdomyolysis	Status dystonicus
5	M	3m	12y9m	Pyrexia	Renal failure due to rhabdomyolysis	Status dyskinetic
11 (15)	F	12d	1y	Pyrexia and cough	NA	Severe pneumonia
14 (13)	F	6h	1y11m	NA	NA	SUDEP
21 (13)	M	12d	10m	NA	NA	Milk choking and asphyxia
22 (13)	M	4m	2y3m	NA	NA	Severe pneumonia and respiratory failure

F, female; M, male; m, months; d, days; h, hours; y, years; NA, not available; SUDEP, sudden unexpected death in epilepsy.