Sociodemographic and clinical characteristics of patients and control subjects.

HD = Huntington’s disease; Pre-HD = gene-positive, without motor symptoms; SD = standard deviation; df = degrees of freedom; CAG, trinucleotide repeat number; MMSE = Mini Mental State Evaluation; UHDRS = Unified Huntington’s Disease Rating Scale; TFC = total functional capacity; NA = not available; †† = T-student, Bonferroni correction.aPre-HDbPre-HD>HD (when referred to a cognitive scale comparison, higher punctuations mean lesser impairment).*MMSE: Missing data for 5 Pre-HD subjects & 5 HD patients.*UHDRS Motor: Missing data for 2 Pre-HD subjects & 2 HD patients.*UHDRS Cognitive: Missing data for 5 Pre-HD subjects & 2 HD patients.*UHDRS Behavioral: Missing data for 4 Pre-HD subjects & 2 HD patients.*UHDRS Functional: Missing data for 2 Pre-HD subjects & 2 HD patients.*TFC: Missing data for 2 Pre-HD subjects & 2 HD patients.