Fig. 2.

Prevalence of movement disorders and non-movement symptoms according to the autoantibody. Absolute number of patients for each movement disorder: ataxia (n = 320); stiffness/rigidity/spasm (n = 243); dyskinesia (n = 168); myoclonus/jerking (n = 189); dystonia (n = 101); chorea/choreoathetosis (n = 106); tremors (n = 83); parkinsonism (n = 59); opsoclonus (n = 33); startle reaction (n = 32); stereotypies (n = 14); and opisthotonus (n = 19). Opsoclonus was associated with myoclonus in 67% of the cases (22/33); in particular with ANNA-2/Ri (10/19), and ANNA-1/Hu (3/5)