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Table 1 Characteristics of children with NF1

From: Motor problems in children with neurofibromatosis type 1

Variable

Demographic characteristics

n = 69

Frequency (%)

 Age

8.7 (4.1)a

 Gender

  Male

40 (58)

  Female

29 (42)

 Type of education

  Regular education

48 (70)

  Special education

21 (30)

  Social economic status b

0.34 (1.29)a

Mode of inheritance NF1

 De novo mutation

39 (57)

 Familial mutation

29 (42)

 Unknown

1 (1)

Neuropsychiatric problems

 Attention-deficit/hyperactivity disorder (ADHD)

  ADHD combined type

25 (36)

  ADHD inattentive type

11 (16)

  ADHD hyperactive/impulsive type

2 (3)

  Total

38 (55)

 Using stimulant medication

18 (26)

 Autism spectrum disorder (PDD-NOS)

7 (10)

Neurologic and orthopaedic problems

 Hypotonia

14 (20)

 Hypermobility (Beighton criteria)

13 (19)

 Scoliosis

7 (10)

  1. aMedian (interquartile range)
  2. bAverage SES in 2010 = 0.17; higher scores indicate higher SES