Research Article
Evaluation of High-Performance Polyether Ether Ketone Polymer Treated with Piranha Solution and Epigallocatechin-3-Gallate Coating
Table 4
Tukey’s test of multiple comparisons for different groups of roughness test results.
| Tukey’s HSD test | Group pairs | Difference | Standard error | score | value | Sig. |
| C vs. P | 143.5209 | 6.347442 | 22.61082 | < 0.00001 | S | C vs. E | 84.0769 | 6.347442 | 13.24579 | < 0.00001 | S | C vs. PE | 99.6469 | 6.347442 | 15.69875 | < 0.00001 | S | P vs. E | 59.444 | 6.347442 | 9.365032 | < 0.00001 | S | P vs. PE | 43.874 | 6.347442 | 6.912076 | 0.00012 | S | E vs. PE | 15.57 | 6.347442 | 2.452957 | 0.32128 | NS |
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