. Author manuscript; available in PMC: 2024 Apr 29.

Published in final edited form as: Am J Med Genet A. 2021 Dec 10;188(4):1029–1039. doi: 10.1002/ajmg.a.62601

TABLE 1.

Demographic and clinical features of the FXS sample

		n	%
Age (years) (n=977)	0-5	243	24.87
	6-12	375	38.38
	13-18	198	20.27
	19+	161	16.48
Gender (n=1,070)	Male	824	77.01
Gender (n=1,070)	Female	246	22.99
ASD^† (n=935)	Yes	375	38.82
ASD^† (n=935)	No	560	57.97
Intellectual disability (n=918)	Developmental delay (children under 6 years)	112	12.20
	Borderline	84	9.15
	Mild	205	22.33
	Moderate to profound	457	49.78
	Level not specified	60	6.54

^†

ASD, autism spectrum disorder ever diagnosed