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Table 5 Significant (p < .05) data from the dense graphs of pores (Brick data = mean of 5)

From: High-resolution micro-CT with 3D image analysis for porosity characterization of historic bricks

Measured Variables Brick A Brick B Brick C Brick D Brick E Brick F
Vertex connectivity maximum 25.6 23.4 26.2 24.6 38.2 43.6
Vertex connectivity mean 2.07 2.11 2.12 2.14 2.19 2.36
Vertex connectivity SD 0.816 0.774 0.864 0.922 1.08 1.27
Vertex segment tortuosity mean 1.25 1.25 1.24 1.24 1.23 1.23
Vertex segment tortuosity SD 0.418 0.370 0.388 0.352 0.366 0.346
Vertex segment euclidean length mean µm 73.7 78.6 70.7 63.0 63.0 65.6
Vertex segment euclidean length SD µm 62.4 57.1 54.3 48.6 51.0 50.1
Edge segment tortuosity mean 1.29 1.28 1.27 1.27 1.26 1.24
Edge segment tortuosity SD 0.422 0.370 0.388 0.348 0.364 0.334
Edge segment euclidean length SD µm 51.4 45.4 37.1 36.3 39.1 37.6