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Table 3 Unit porous size, interporous distance, total volume, and total surface area of the cage at different porosities

From: Additive-manufactured Ti-6Al-4 V/Polyetheretherketone composite porous cage for Interbody fusion: bone growth and biocompatibility evaluation in a porcine model

Porosity rate (%) Unit porous size (mm3) Interporous distance (mm) Total volume of cage materials (mm3) Total surface area (mm2) Young’s modulus (GPa)
0 Nil Nil 600 631 1.53
40 0.23 0.40 380 2391 1.33
60 0.23 0.31 300 2406 1.28
80 0.23 0.22 190 2137 0.32