Table 1.

Description of the 47 individuals with PTHS

	Number	Percent
Sex
Male	29	62%
Female	18	38%
Age at last examination
0–1 year	3	6%
1–3 years	20	43%
3–5 years	17	36%
5–10 years	5	11%
10–16 years	2	4%
First something was wrong
During pregnancy	10	21%
Birth-6 months	21	45%
6 months–1 year	16	34%
Age at diagnosis	Mean 2.5 years, range: 6 months–12.5 years