Table 1

Descriptons of NPI neuropsychiatric symptoms in Huntington's disease

NPI Scale Frequency1-150 Mean1-151 SD
Dysphoria69.23.123.46
Agitation67.32.883.32
Irritability65.42.633.11
Apathy55.82.794.02
Anxiety51.91.963.14
Disinhibition34.61.292.77
Euphoria30.81.042.27
Delusions11.50.752.63
Aberrant motor9.60.602.18
Hallucinations1.90.231.66

  • n=52.

  • NPI=Neuropsychiatric inventory.

  • ↵1-150 Per cent of patients with HD with an NPI scale score ⩾1.

  • ↵1-151 Mean scores are averages of frequency×severity ratings.