Table 2 Number of cases and controls with morphological alterations

Parenchymal edema

38

21

Perivascular edema

38

21

Eosinophilic neuronal alterations

38

21

Small vessel changes

38

21

Parenchymal hemorrhage

18

13

Parenchymal inflammatory infiltrate

5

6

Perivascular hemorrhage

38

21

Perivascular inflammatory infiltrate

38

21

Perivascular hemosiderin deposition

38

21

Periventricular inflammatory infiltrate

2

0

Microglial nodules

5

1

Meningeal hemorrhage

38

21

Meningeal inflammatory infiltrate

38

21