. Author manuscript; available in PMC: 2018 May 11.

Published in final edited form as: Acta Neuropathol. 2016 Jan 25;131(4):571–585. doi: 10.1007/s00401-016-1537-1

Table 2.

Classification frequency of old staging scheme versus updated staging scheme

	Updated six stage staging scheme

Old scheme	Stage 1	Stage 2	Stage 3	Stage 4	Stage 5	Stage 6
Stage I	31			1		1
Stage II		46
Stage III			18	29	14
Stage IV				19	20
Stage V						14