A Quantitative Assessment of Tremor and Ataxia in Female FMR1 Premutation Carriers Using CATSYS

Table 1

Patient characteristics.

	Controls (𝑁=37)	Non-FXTAS (𝑁=90)	FXTAS (𝑁=23)	𝑃 value
Age	56.53 (7.79)	52.89 (9.40)	62.69 (12.27)	<.0001^a
Education	14 (3.02)	15.35 (2.91)	14.66 (2.45)	.1692^a
Ethnicity	(𝑁^c=31)	(𝑁=87)	(𝑁=22)
Caucasian	93.5% (29)	82.8% (72)	100% (22)	—
Hispanic	6.4% (2)	12.6% (11)	0%	—
Other	0%	4.9% (4)	0%	—
CGG Repeat	29.61 (5.65)	86.66 (17.01)	90.52 (31.38)	.3917^b
FMR1 mRNA	1.72 (0.75)	2.51 (0.94)	2.24 (0.84)	.2474^b
AR		0.54 (0.18)	0.58 (0.21)	.3712^b

^aOverall ANOVA P value.
^bComparison between FXTAS and non-FXTAS.
^cLess than total sample sizes due to missing ethnicity data.