Table 1.

Summary of group and subgroup demographics

				PWS Subgroups
		CON	PWS	FLU	DYS
Total n	[females]	16[4]	17[4]	8[3]	9[1]
Left handed	[females]	2[0]	3[1]	2[1]	1[0]
Age in years	Mean (SD)	33.1 (11.4)	31.4 (11.0)	31.75 (14.4)	31.11 (7.8)
	Range	19–53	19–54	22–45	19–54
Education in years	Mean (SD)	17.8 (1.9)	16.35 (1.8)	16.25 (0.7)	16.44 (1.9)
Stuttering severity	Median		23	19	30
	Range		10–46	10–43	10–46