Table 1.

Clinical and demographic variables of SCA3 patients.

	SCA3 (N = 68)
Age, y	45.25 ± 11.61
Sex (male/female)	27/41
Age of onset	39.81 ± 11.79
Disease duration	5.60 ± 5.14
CAG repeat length	67.13 ± 9.68
SARA	11.01 ± 4.97
INAS count	2.72 ± 1.88
Patients with INAS, n	62 (91.2%)
HAMA	6.76 ± 6.61
Anxiety, n	29 (42.6%)
HAMD	8.75 ± 8.58
Depression, n	33 (48.5%)
ESS	4.31 ± 4.16
EDS, n	8 (11.8%)
PSQI	7.15 ± 4.63
Poor sleep, n	44 (64.7%)
FSS	3.78 ± 2.42
Fatigue, n	36 (52.9%)

SARA, Scale for the assessment and rating of ataxia; INAS count, inventory of non-ataxia symptoms count; HAMA, Hamilton Anxiety Rating Scale; HAMD, Hamilton Depression Rating Scale; ESS, Epworth Sleepiness Scale; EDS, excessive daytime sleepiness; PSQI, Pittsburgh Sleep Quality Index; FSS, Fatigue Severity Scale.