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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: J Biomed Mater Res B Appl Biomater. 2020 Jan 21;108(5):2238–2249. doi: 10.1002/jbm.b.34561

TABLE 5.

Inflammatory cell counts and inflammation scores

Device type Average total no. of
inflammatory cells per HPFa (IT)		 Total inflammation score Modified cell averageb (IM) Modified inflammation score
Bare platinum coil
30 day 6.32 ± 1.97 3.00 ± 0.47 0.35 ± 0.23 1.00 ± 0.00
90 day 5.44 ± 2.55 3.00 ± 0.71 0.20 ± 0.23 0.8 ± 0.45
180 day 5.15 ±2.68 2.77 ± 0.6 0.31 ± 0.36 1.08 ± 0.28
Foam coated coil
30 day 5.44 ± 2.61 2.70 ± 0.82 0.62 ± 0.56 1.1 ± 0.32
90 day 9.72 ± 1.85 3.80 ± 0.45 0.36 ± 0.16 1 ± 0.00
180 day 5.54 ± 0.99 2.93 ± 0.27 0.31 ± 0.30 1 ± 0.39
a

Value for each aneurysm calculated by the following formula: (heterophils + lymphocytes + eosinophils + macrophage + erythrophagocytosis + hemosiderin-macrophages)/(total number of high power fields examined).

b

Modified cell average for each aneurysm calculated by the following formula: (heterophils + lymphocytes + eosinophils)/(total number of high power fields examined).