Skip to main content

Table 2 Comparison of Children with Autism or other PDD (N = 217)

From: Validation of the diagnosis of autism in general practitioner records

   

Autism

PDDNOS & Asperger

P

   

(N = 180)

(N = 37)

 
   

N

%

N

%

 

Male Sex

146

81.1

31

83.8

.703

Birth year

1973 – 1977

11

6.2

-

-

.217

 

1978 – 1982

15

8.4

3

8.3

 
 

1983 – 1987

43

24.2

11

30.6

 
 

1988 – 1992

68

38.2

18

50.0

 
 

1993 – 1997

41

23.0

4

11.1

 

Past or current epilepsy

29

16.1

5

13.5

.692

Overall level of language1

Mute

31

17.7

-

-

.000

 

Single words

38

21.7

1

2.9

 
 

Few phrases

39

22.3

5

14.7

 
 

Phrase speech

67

38.3

28

82.4

 

Estimated intellectual Functioning

Normal IQ

42

25.3

27

81.8

.000

 

Mild MR

78

47.0

4

12.1

 
 

Moderate MR

34

20.5

2

6.1

 
 

Severe MR

12

7.2

-

-

 

Age of parental recognition (months)

0 – 12

60

41.1

8

32.0

.176

 

13 – 24

68

46.6

11

44.0

 
 

25 – 36

16

11.0

4

16.0

 
 

36+

2

1.4

2

8.0

 

Regression2

43

24.0

3

8.3

.036

Language delay

Yes probable/definite

162

96.4

13

44.8

.000

 

Autism

PDD NOS & Asperger

P

 

N = 180

N = 37

 
 

N

Mean

SD

N

Mean

SD

 

Age at first GPRD diagnosis (years)

167

5.45

4.06

36

7.77

3.68

.002

Age at first letter (years)

174

3.45

2.48

36

5.08

3.39

.009

Age at last report on note (years)

176

10.50

5.61

36

10.51

4.28

.992

Mean number of DSM-IV PDD symptoms

       

   –Total

180

7.67

3.92

37

7.24

3.81

.543

   –Language/communication

180

2.14

1.41

37

1.62

1.28

.040

   –Social interaction

180

3.04

1.76

37

3.24

1.57

.525

   –Repetitive behaviours

180

2.49

1.73

37

2.38

2.06

.732

  1. 1: Mean age when language was recorded was: 7.77 years (SD: 4.31). 2: 9 (12%) out of 77 children in unknown diagnostic group had regression
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us