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Table 2 Distribution of TSA according to braak NFT stage

From: Epidemiological pathology of Tau in the ageing brain: application of staging for neuropil threads (BrainNet Europe protocol) to the MRC cognitive function and ageing brain study

Braak NFT stage TSA n(cell %)
None 1 area 2 areas 3 areas
0 5(2.7) 0(0.0) 0(0.0) 0(0.0)
I 11(6.0) 1(0.6) 0(0.0) 0(0.0)
II 30(16.4) 13(7.1) 4(2.2) 0(0.0)
III 21(11.5) 10(5.5) 3(1.6) 2(1.1)
IV 21(11.5) 16(8.7) 8(4.4) 1(0.6)
V 10(5.5) 8(4.4) 4(2.2) 0(0.0)
VI 12(6.6) 2(1.1) 0(0.0) 1(0.6)