Possible Evidence for a Fall in the Prevalence of High-Functioning Pervasive Developmental Disorder with Age?

Table 3

Distribution of females with possible or definite diagnosis of HFPDD by age.

	AQ is between 26-31 (inclusive) and no clinical diagnosis	AQ ≤ 32 and previous clinical diagnosis	AQ ≥ 32 and previous clinical diagnosis	AQ ≥ 32 and no previous clinical diagnosis	Total included with possible or definite ASD
13 to 14	1			1	2
15–19	1		1		2
20–24
25–29	1	2	2		5
30–34	1	3	1	3	8
35–39				3	3
40–44				2	2
45–49				1	1
50–54	1				1
55–59				1	1
60 and over	1			1	2