Table 2 Cytotoxicity classification.

From: Fabrication and evaluation of 3D printed PLGA/nHA/GO scaffold for bone tissue engineering

RGR (%)

Cytotoxicity grade

≥ 100

0

75–99

I

50–74

II

25–49

III

1–24

IV

0

V

  1. Grades 0 and I represent negligible cytotoxicity, grade II represents mild cytotoxicity, grades III and IV represent moderate cytotoxicity, and grade V represents severe cytotoxicity.
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