. 2023 Sep 9;9(9):e19846. doi: 10.1016/j.heliyon.2023.e19846

Table 2.

P-values of the post –hoc Dunn's test pairwise comparison of various concentrations of copper oxide nanoparticles in polymethyl methacrylate at each incubation period.

Day/Concentrations (μg/ml)	Day1–24	Day1–72	Day3–24	Day3–72	Day5–24	Day5–72	Day7–24	Day7–72
Control – 0	0.187	0.176	0.446	0.702	1.000	0.217	1.000	0.95
Control – 0.5	0.025^a	0.072	0.193	0.006^a	0.014^a	0.013^a	0.376	0.016^a
Control – 5	0.000^a	0.001^a	0.000^a	0.003^a	0.000^a	0.000^a	0.000^a	0.000^a
Control – 50	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a
Control - 500	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a
0–0.5	1.000	1.000	1.000	1.000	0.679	1.000	1.000	1.000
0–5	0.713	1.000	0.383	1.000	0.027^a	0.702	0.001^a	0.158
0–50	0.003^a	0.002^a	0.004^a	0.001^a	0.011^a	0.031^a	0.000^a	0.03^a
0–500	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.000^a	0.004^a
0.5–5	1.000	1.000	0.826	1.000	1.000	1.000	0.273	0.667
0.5–50	0.03^a	0.005^a	0.012^a	0.175	1.000	0.423	0.050^a	0.168
0.5–500	0.001^a	0.000^a	0.000^a	0.001^a	0.003^a	0.000^a	0.000^a	0.027^a
5–50	1.000	0.313	1.000	0.260	1.000	1.000	1.000	1.000
5–500	0.92	0.004^a	0.353	0.001^a	0.150	0.010^a	0.150	1.000
50–500	1.000	1.000	1.000	1.000	0.308	0.308	0.679	1.000

Statistically significant difference.