Table 1.

Baseline characteristics of motor phenoconverters by CAG

	CAG < 37 (n = 20) (range 17–34)	CAG ≥ 37 (n = 101) (range 37–48)
Age	42.7 (7.7)	43.5 (7.1)
Female gender	15 (75%)	72 (71%)
Affected mother	9 (45%)	53 (52%)
IR total motor score (higher worse)	7.2 (5.5)	7.4 (7.7)
Symbol digit (higher better)	47.7 (9.4)	45.8 (10.2)
CAG repeat length	20.4 (5.0)	42.6 (2.0)

Shown as mean (standard deviation) or number (%), as appropriate.