necrosis estimation
  control sham mannitol
  white  matter gray matter white  matter gray matter white  matter gray matter
rat observer 1 observer 2 observer 1 observer 2 observer 1 observer 2 observer 1 observer 2 observer 1 observer 2 observer 1 observer 2
1 0 0 0 0 5.2 4.3 5.3 4.2 2.9 4.1 3.6 3.6
2 0 0 0 0 3.7 2.8 3.4 3.7 3.6 4.5 2 2.9
3 0 0 0 0 4.3 4.2 3.8 2.9 3.9 3.9 2.8 2.6
4 0 0 0 0 3.9 3.4 4.4 4.2 4 4.6 4 4.2
5 0 0 0 0 4.5 4.8 2.9 3.6 3.4 2.9 4.4 4.1
6 0 0 0 0 2.8 3.7 4.4 4.9 4.7 5.5 2.9 3.2
7 0 0 0 0 3.5 4.1 5.2 4.1 4.2 4.3 3.1 2.7
8 0 0 0 0 4 3.3 3.8 3.8 3.8 4 2.4 3.9
9 0 0 0 0 4 3.5 3 3.6 3.8 4.4 3.3 3.3
10 0 0 0 0 4.1 3.9 4.8 4 3.7 3.8 3.5 3.5
mean 1 0 0 0 0 4 3.8 4.1 3.9 3.8 4.2 3.2 3.4
SD betw. obs. 0 0 0.1 0.1 0.2 0.1
tot. mean 0.0 0.0 4.0 4.1 3.8 3.2
s.e.m. 0.00 0.00 0.20 0.27 0.15 0.23
p-value                 0.6209 0.0028
Table 2: Estimation of necrosis based on hematoxylin-eosin stainings.