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Table 3 Frequency of Parkinsonian signs by IQ group

From: High rates of parkinsonism in adults with autism

Motor signs % (N)

Study I

Study II

IQ group

IQ group

≥50 (N = 8)

<50 (N = 11)

≥50 (N = 7)

<50 (N = 30)

Resting tremor

0 (0)

27 (3)

29 (2)

17 (5)

Rigidity

50 (4)

18 (2)

29 (2)

17 (5)

Bradykinesia

25 (2)

20 (2)a

43 (3)

57 (17)

Postural instabilitya

13 (1)

20 (1)a

14 (1)

20 (6)

  1. aOne subject, with an IQ score less than 50, in study I could not be assessed for bradykinesia (total available N = 10); six subjects with IQ scores less than 50 in study I could not be assessed for postural instability (total available N = 5)
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Journal of Neurodevelopmental Disorders

ISSN: 1866-1955

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