Table 1.

Average values of diagnostic timeline compared between order of diagnosis

First diagnosis obtained	Age of first concerns (months)	First concerns and validation (months)	First concerns and developmental diagnosis (months)	First concerns and genetic diagnosis (months)	Genetic diagnosis and seeing a specialist (months)
Developmental (n = 18)	10.6 Range: 0–60 SD: 14.4	5.9 Range: 0–24 SD: 6.6	9.3 Range: 0–36 SD: 8.8	39.9 Range: 6–138 SD: 34.3	4.2 Range: 0–36 SD: 10.1
Genetic (n = 8)	7.0 Range: 0–24 SD: 7.6	1.6 Range: 0–6 SD: 2.4	37.8 Range: 21–70 SD: 19.2	11.3 Range: 0–48 SD: 15.4	1.8 Range: 0–10 SD: 3.6

First diagnosis obtained

Age of first concerns (months)

First concerns and validation (months)

First concerns and developmental diagnosis (months)

First concerns and genetic diagnosis (months)

Genetic diagnosis and seeing a specialist (months)

Developmental (n = 18)

10.6

Range: 0–60

SD: 14.4

5.9

Range: 0–24

SD: 6.6

9.3

Range: 0–36

SD: 8.8

39.9

Range: 6–138

SD: 34.3

4.2

Range: 0–36

SD: 10.1

Genetic (n = 8)

7.0

Range: 0–24

SD: 7.6

1.6

Range: 0–6

SD: 2.4

37.8

Range: 21–70

SD: 19.2

11.3

Range: 0–48

SD: 15.4

1.8

Range: 0–10

SD: 3.6