Table 1. Descriptive demographical and clinical data of the symptomatic group (HD), presymptomatic group (pHD) and control group (controls).

	HD	pHD	Controls
	mean (SD) range	mean (SD) range	mean (SD) range
Sample size	N = 11	N = 14	N = 12
Male∶female ratio	6 m∶5 f	T m∶7 f	6 m∶6 f
Age (years)	36.50 (10.20) 21–57	35.91 (10.03) 22–52	36.50 (8.64) 23–52
CAG-repeat length	47.10 (5.42) 40–56	42.58 (1.78) 39–46	NA
Age of onset (AO)	34.20 (11.51) 17–56	NA	NA
Estimated age of onset (eAO)	36.99 (11.39) 21–52 (N = 9)	45.53 (4.62) 37.5–53.3	NA
Duration until eAO	−0.12 (7.94) −11.5–13.71 (N = 9)	10.13 (8.19) −3.44–23.82	NA
UHDRS (motor score)	26.00 (12.1) 9–44	0	NA
TFC	11.70 (1.25) 9–13	13	NA
IS	86.50 (8.83) 70–100	100	NA
IQ	105.70 (7.66) 95–118	109.50 (11.86) 95–130	113.25 (8.86) 98–130
UHDRS (cognitive score)	165.40 (24.05) 137–215	236.50 (16.81) 209–259	249.50 (11.03) 236–266
MMSE	27.30 (2.26) 23–30	29.41 (0.51) 29–30	29.66 (0.5) 29–30
BDI	5.90 (4.06) 0–13	5.75 (4.43) 0–14	3.00 (3.43) 0–12
YMRS	3.30 (1.56) 1–5	1.33 (1.37) 0–4	1.36 (1.50) 0–5