Clinical sign

Size

Coma

2

Lethargy

1

Mental retardation

1

Aphasia

1

Headache

3

Seizures

7

Unilateral contralateral motor weakness

13

Fever

1

General state worsening during acute sickle cell crisis

1

Abnormal ballet movements

1

Repeated loss of consciousness

2

Psychomotor delay

4

Amnesia

1

Behavioral disorder

1

Mixed symptoms

5