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Table 1 Demographic data

From: Hyperreactivity to weak acoustic stimuli and prolonged acoustic startle latency in children with autism spectrum disorders

Characteristics

Typical development (TD)

Autism spectrum disorders (ASD)

 

(n = 28)

(n = 12)

   

χ 2

df

P

Male: female

15:13

9:3

1.607

1

0.205

 

Mean

SD

Mean

SD

U

 

P

Age (months)

134.1

31.1

119.3

31.9

109

 

0.081

Estimated IQ

102.6

17.8

102.0

15.0

78.5

 

0.788

Social responsiveness scale T-score

Total score

47.3

9.3

73.8

17.3

23

 

0.000**

Social awareness

45.4

10.9

65.6

12.0

25

 

0.000**

Social cognition

47.8

7.5

73.5

12.5

16.5

 

0.000**

Social communication

47.7

8.5

70.2

19.8

38.5

 

0.000**

Social motivation

45.2

9.4

57.8

17.1

87.5

 

0.017*

Autistic mannerisms

51.6

11.5

82.3

18.0

24.5

 

0.000**

  1. ASD, Autism spectrum disorders; df, degrees of freedom; IQ, intelligence quotient; SD, standard deviation; TD, typical development. Mann–Whitney U test; *P <0.05; **P <0.01.