[Table/Fig-9]:
Table showing comparison of different dyes for the development of latent lip prints.
| Comparison | χ2 | p-value |
|---|---|---|
| Sudan III Invisible vs. Indigo Invisible | 15.903 | 0.001* |
| Sudan III Invisible vs. Aluminium Powder Invisible | 9.130 | 0.010* |
| Indigo Invisible vs. Aluminium Powder Invisible | 14.129 | <0.001* |
The statistical test applied is using chi square test
*denotes significant association between the two dye: p values highly significant