Table 1Clinical characteristics of 36 patients with sporadic FTD

CharacteristicFTD, n = 30ALS–FTD, n = 6
* Average values are listed with the range in parentheses.
FTD = frontotemporal dementia.
Age, y64 (43–82)56 (46–71)
Sex, F/M13/174/2
Duration of dementia symptoms, y4 (1–9)3 (2–5)
EMGNormalDiffuse motor neuron disease