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Comparisons between different dyes for visible lip prints.
| Comparison | χ2 | p-value |
|---|---|---|
| Sudan III Visible vs. Indigo Visible | 8.872 | 0.064 |
| Sudan III Visible vs. Aluminium Powder Visible | 7.088 | 0.131 |
| Indigo Visible vs. Aluminium Powder Visible | 24.511 | <0.001* |
The statistical test applied is using chi square test
*denotes significant association between the two dye: p value highly significant
