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Table 1 Demographic and clinical characteristics of the studied group

From: Prevalence and risk factors of autism spectrum disorders in preschool children in Sharkia, Egypt: a community-based study

Variable

Cases

(n = 3722)

No.

%

Age group

  

 2-3 years

1973

53

 4-5 years

1749

47

Sex

  

 Male

1887

50.7

 Female

1835

49.3

Risk

  

 Low risk

2691

72.3

 Medium risk

927

24.9

 High risk

104

2.8