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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)