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. 2022 Jan 11;17:496–505. doi: 10.1016/j.bioactmat.2022.01.005

Table 3.

Tissue reaction of nitrided iron scaffolds and Vison stents at 4, 12, 26, 52 weeks.

4 weeks
12 weeks

26 weeks

52 weeks

Nitrided iron scaffold
Vision stent
p Nitrided iron scaffold
Vision stent
p Nitrided iron scaffold
Vision stent
p Nitrided iron scaffold
Vision stent
p
(N = 8) (N = 6) (N = 8) (N = 6) (N = 8) (N = 6) (N = 8) (N = 6)
Cell type/response Polymorphonuclear cells 1 (1) 1 (1) 0.709 0 (1) 0 (1) 0.781 0 (1) 0 (1) 0.825 0 (0) 0 (0) 0.403
Lymphocytes 0 (0) 0 (0) 0.945 1 (1) 0 (1) 0.739 1 (0) 1 (1) 0.116 1 (1) 0 (1) 0.127
Plasma cells 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (0) 0 (0) 0.016 0 (0) 0 (0) 0.016
Macrophages 0 (1) 0 (0) 0.001 1 (1) 0 (0) <0.001 2 (2) 0 (0) <0.001 3 (1) 0 (0) <0.001
Giant cells 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (0) 0 (0) 0.077 0 (0) 0 (0) 0.384
Necrosis 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (0) 0 (0) 1
Fibrosis 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (0) 0 (0) 1
Neovascularization 0 (0) 0 (0) 1 0 (0) 0 (0) 1 0 (1) 0 (0) <0.001 0 (1) 0 (0) 0.001
Degradation 0 (1) 0 (0) <0.001 1 (0) 0 (0) <0.001 2 (1) 0 (0) <0.001 2 (1) 0 (0) <0.001
Phagocytosis 0 (0) 0 (0) 0.009 0 (1) 0 (0) 0.001 1 (1) 0 (0) <0.001 2 (1.5) 0 (0) <0.001

Note: the meaning of score was concluded in Supplementary Table 1.