TABLE 1.

Summary of allele sizes and ranges for normal and premutation alleles on standard panel as measured in all laboratories

Sample ID	Gender	Allele 1			Allele 2
		Mean	Range	SEM	Mean	Range	SEM
P1	Male	46	46–47	0.25
P2	Male	54	54–56	0.4
P3	Female	30	30–31	0.2	68	65–69	0.748
P4	Female	29	29–32	0.583	152	145–156	1.913
P5	Male	56	56–58	0.51
P6	Male (mosaic)	100	94–102	1.327
		136	128–141	2.112
N1	Female	29	29–30	0.25	29	29–30	0.25
N2	Female	31	31	0	36	36	0
N3	Female	29	29	0	30	29–30	0.25
N4	Female	29	28–30	0.408	34	33–34	0.289
N5	Male	30	29–30	0.289
N6	Male	36	35–36	0.25

Abbreviation: SEM, Standard error of mean.