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Table 2 Early skills achievement I

From: Protein-truncating variants and deletions of SHANK2 are associated with autism spectrum disorder and other neurodevelopmental concerns

Skill

N Achieved

N Achieved by age 1

N Achieved after age 1

Typical Achievement [48]

Social Skills

    

 Respond to name

10

3

7

9 months

 Social smile

9

8

1

2 months

 Point at object or event

8

1

7

18 months

 Eye contact

10

7

3

2 months

 Wave goodbye

9

2

7

12 months

 Show objects to others

9

0

9

15 months

Motor

    

 Reach for an object

10

8

2

6 months