Table 2.

Control Patient data

Patient	Age (y)	Sex	Neurological history	Additional Clinical History/Cause of death
C1	30	M	N/A	Congenital myelodysplasic syndrome; abscess.
C2	56	F	Stupor due to depression/schizophrenia	Dehydration; bronchopneumonia.
C3	35	M	N/A	Extensive severe burns of the skin; smoke inhalation.
C4	35	M	Epilepsy; previous encephalitis.	Pulmonary oedema
C5	27	M	Unconscious; right-sided focal fit.	Pulmonary oedema; hypoglycaemia.
C6	23	F	N/A	Sickle cell trait; severe haemorrhage.
C7	45	M	N/A	Pulmonary oedema; splenomegaly.
C8	39	F	N/A	Chronic renal failure; gastric bleed.
C9	43	F	Ischaemic brain injury from hypovolaemic C-R arrest.	Renal transplant; CMV hepatitis; C-R arrest.
C10	78	F	Confusion; hyperosmolar non-ketotic diabetic coma.	Rheumatoid arthritis; anaemia; heart failure; non-insulin-dependent diabetes mellitis; bronchopneumonia.
C11	73	M	Infarction with cerebral atrophy; impaired cerebral function; coma.	Mitral valve replacement; cardiac failure; renal failure.
C12	86	M	Infarction; brain atrophic; perivascular oedema.	Bilateral bronchopneumonia and pleural fibrosis; myocardial infarction.

Abbreviations: N/A, not applicable. No history of neurological signs or symptoms; C-R, cardiorespiratory; CMV, cytomegalovirus. C1-C8, Brains showed no structural histological abnormality on standard neuropathological examination.