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Kruskal-Wallis non-parametric test results of the liner materials.
| UP | DL | TR | MP | UH | ||
|---|---|---|---|---|---|---|
| Immersion in DW | Mean ΔE* | 0.41 | 0.50 | 1.19 | 1.75 | 7.13 |
| Mean rank | 5.33 | 8.33 | 17.00 | 19.33 | 27.50 | |
| Kruskal-Wallis H=25.455 | P<.001 | |||||
| UP | MP | UH | TR | DL | ||
| Aging | Mean ΔE* | 3.46 | 4.78 | 8.68 | 13.01 | 16.30 |
| Mean rank | 4.67 | 8.50 | 15.50 | 22.17 | 26.67 | |
| Kruskal-Wallis H=25.974 | P<.001 | |||||
Lines connect values that were not significantly different at the P<.001 level.
