Table 1.

Main features of AOSC cohort (n number, FMD functional movement disorder)

Number of patients

28

Sex

Female: n = 19; 68%

Male: n = 9; 32%

Age at onset

65.6 years (range 19–87)

Clinical presentation

Hemichorea: n = 16; 57%

Choreoathetosis: n = 7; 25%

Ballism: n = 3; 11%

Orofacial dyskinesia: n = 2; 7%

Type of onset

Acute (24–48 hours): n = 12; 43%

Subacute (48 hours to 1 week): n = 9; 32%

Chronic (> 1 week): n = 7; 25%

Aetiology

Vascular: n = 19; 68%

Structural brain lesion: n = 2; 7%

FMDs: n = 2; 7%

Hyperglycaemia: n = 1; 3.5%

Hepatic encephalopathy: n = 1; 3.5%

Encephalitis: n = 1; 3.5%

Drug-induced: n = 1; 3.5%

Tic disorder: n = 1; 3.5%

Comorbidities

Blood hypertension: n = 14; 50%

Diabetes mellitus: n = 9; 32%

Mood disorders: n = 6; 21%