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Table 3 Abnormal motor findings

From: A multicenter study on Leigh syndrome: disease course and predictors of survival

Type of abnormal motor findings (n = 130) N %
Hypotonia 97 74.6
Abnormal tendon reflexes§ 62 47.7
Dystonia 58 44.6
Babinski sign 55 42.3
Spasticity 47 36.2
Ataxia 45 34.6
Hypertonia 43 33.1
Muscle weakness 34 26.2
Other dyskinetic disorder^ 27 20.8
Paresis/palsy 26 20.0
Chorea/athetosis 25 19.2
Cavus feet 10 7.7
Myoclonus 9 6.9
Hypokinesia/bradykinesia 5 3.8
  1. §Decreased or absent (n = 20) vs increased or clonic (n = 42).
  2. ^Tremor (n = 7); dysarthria (n = 4); dyscoordination (n = 3); cogwheel phenomenon (n = 3); stereotypies (n = 3); opisthotonus (n = 2); hyperkinesia (n = 2); dyspraxia (n = 1); jitteriness (n = 1); sleeping through phenomenon (n = 1).
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