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Table 3 Quantification of phosporylated Tau (AT8) Positivity

From: Amyloid-beta and phosphorylated tau in post-mortem Alzheimer’s disease retinas

# Pathological diagnosis Braak Tau Braak Amyloid AT8 positivity (% surface area)
Superior Medial
Mean sd Mean sd
1 AD VI C 3,41 2,82 1,88 0,44
2 AD VI C 0,79 0,70 1,07 0,55
3 AD V C 1,35 0,38 0,04 0,05
4 AD V C 15,36 5,13 4,12 2,52
5 AD IV C 6,87 1,02 0,37 0,01
6 AD IV C 8,72 1,65 1,97 1,25
    Mean 6.08 5.50 1.57 1.47
7 HC II B 48,65 8,73 29,35 2,62
8 HC II C 11,92 1,84 3,43 1,87
9 HC II O 0,15 0,18 0,00 0,01
10 HC II O 0,01 0,01
11 HC 0 A 0,02 0,02 0,03 0,02
12 HC 0 O 0,01 0,01 0,00 0,00
    Mean 12.15 21.04 5.50 11.78
  1. Means and standard deviations (sd) of AT8 positivity (% surface area) of four superior and medial pictures per patient. AD Alzheimer’s disease, HC Healthy control