Table 2.
The relative frequency of occurrence of dermoscopic features using Fisher's exact test.
| Dermoscopic features | Groups | The statistical significance of differences (P) between groups | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| AK | SK | SL | LM | AK-SK | AK-SL | AK-LM | SK-SL | SK-LM | SL-LM | |
| Sharp demarcation | 17.65 | 54.17 | 20 | 0 | 0.005 | >0.05 | — | 0.013 | — | — |
| Dots and globules | 47.06 | 16.67 | 13.33 | 50 | 0.017 | 0.015 | >0.05 | >0.05 | 0.037 | 0.03 |
| Pseudonetwork | 52.94 | 4.17 | 40 | 87.5 | <0.001 | >0.05 | 0.033 | <0.001 | <0.001 | 0.007 |
| Homogenous structureless pigmentation | 47.06 | 8.33 | 100 | 75 | <0.001 | <0.001 | >0.05 | <0.001 | <0.001 | 0.007 |
| Milia-like cysts | 0 | 50 | 0 | 12.5 | >0.05 | — | >0.05 | — | 0.019 | — |
| Fissure | 0 | 100 | 0 | 12.5 | >0.05 | — | >0.05 | — | <0.001 | — |