History, Present, and Progress of Frontotemporal Dementia in China: A Systematic Review

Table 2

Characteristics by neuropathological diagnosis.

Neuropathological diagnosis	Age at onset (years)	Age at death (years)	Initial MMSE score	Family history
(1) FTLD-τ	60, 72	76, 86	N/A, 8	No
(2) FTLD-U	58	61	22–30	No
(3) FTLD without intracellular inclusions	67, 43*	78, 46*	N/A	No

N/A = not available; *Ubiquitin immunohistology examination was not performed on this case (with possibility of FTLD-U).