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Table 1 Phenotype data for 10 participants with childhood apraxia of speech a

From: Whole-exome sequencing supports genetic heterogeneity in childhood apraxia of speech

Participants

Familial statusc

Cognitive impairmentd

Language impairment

Motor impairment

Participant no.

Gender

Age group (yr)b

Years of apraxia treatment

  

Onsete

Comprehensionf

Expressionf

Grossg

Oral nonverbalh

1

M

C

7+

+

+

+

+

+

+

+

2

M

A

3

+

 

+

 

+

+

ND

3

F

C

6

ND

 

+

+

+

ND

ND

4

M

C

6

  

+

+

+

 

+

5

F

C

7+

+

+

+

+

+

+

ND

6

F

A

5

  

+

+

+

+

+

7

F

B

4

+

 

ND

  

+

+

8

M

B

3

 

+

+

ND

ND

+

+

9

F

A

4

  

+

+

 

+

+

10

M

B

5

+

 

+

+

+

+

+

  1. aPlus signs indicate impairment. Blank cells indicate negative history or performance within normal limits. ND indicates no available data. bAge groups: A = 3 to 6 years; B = 7 to 9 years; C = 10 to 19 years. cOne or more nuclear family members with a verbal trait disorder, including speech disorder, language disorder, reading disorder, cognitive disability or learning disability. dComposite IQ <85[72]. eLate onset of babbling, first word, two words together or short phrases per parent report, fListening Comprehension and Oral Expression Scales standard scores <85[73]. gParent report or history of physical or occupational therapy. hOral nonverbal motor assessment tasks.