Table 1:

Demographics and clinical information

Subject	Diagnosis	Status	Age (yr)	Sex
COVID-A	COVID-19-related multifocal necrotizing leukoencephalopathy	ICU and intubated	63	M
COVID-B	COVID-19-related recent PEA cardiac arrest, without clear leukoencephalopathy	ICU and intubated	53	M
COVID-C	COVID-19 without clear leukoencephalopathy or recent severe hypoxia	Neurology ward and not intubated	72	M
DPL	Non-COVID-19 delayed posthypoxic/toxic leukoencephalopathy	Neurology ward and not intubated	44	F
SAE	Non-COVID-19 presumed sepsis-associated encephalopathy	ICU and mechanical ventilation via tracheostomy	55	F
Control	Healthy volunteer		65	M

Note:—ICU indicates intensive care unit.