Table 2.
The demographic and clinical characteristics of melanoma cases and controls.
| Feature | Cases | Controls | ||
|---|---|---|---|---|
| n = 85 | n = 166 | |||
| N | % | N | % | |
| Age | ||||
| Mean | 59,41 (24-92) | ±15.6 | 57,91 (20-88) | ±14.92 |
| Sex | ||||
| Women | 46 | 54,12% | 89 | 53,61% |
| Men | 39 | 45,88% | 77 | 46,39% |
| Melanoma subtype | ||||
| Superficial spread | 20 | 23,53% | — | — |
| Nodular | 13 | 15,29% | — | — |
| Acral lentiginous | 21 | 24,71% | — | — |
| Lentigo maligna | 31 | 36,47% | — | — |
| Variant | ||||
| p.R24P | ||||
| Presence | 3 | 3,52% | 4 | 2,40% |
| Absence | 82 | 93,78% | 162 | 97,60% |
| p.M53i | ||||
| Presence | 0 | 0 | 0 | 0 |
| Absence | 85 | 100% | 166 | 100% |
| p.G101W | ||||
| Presence | 2 | 2,35% | 0 | 0 |
| Absence | 83 | 97,65% | 166 | 100% |
| p.V126D | ||||
| Presence | 2 | 2,35% | 2 | 1,20% |
| Absence | 83 | 97,65% | 164 | 98,80% |
| p.A148T | ||||
| Presence | 5 | 5,88% | 8 | 4,82% |
| Absence | 80 | 94,12% | 158 | 95,18% |
| Clark level | ||||
| Negative | 33 | 38,82% | — | — |
| I | 2 | 2,355 | — | — |
| II | 8 | 9,41% | — | — |
| III | 2 | 2,35% | — | — |
| IV | 35 | 41,18% | — | — |
| V | 5 | 5,88% | — | — |
| Breslow scale | ||||
| Nonreported | 32 | 37,65% | — | — |
| ≤1,0 mm | 11 | 12,94% | — | — |
| >1,0-2,0 mm | 9 | 10,59% | — | — |
| >2,0-4,0 mm | 12 | 14,12% | — | — |
| >4,0 mm | 21 | 24,71% | — | — |
| Mitoses | ||||
| Nonreported | 32 | 37,65% | — | — |
| Negative | 9 | 10,59% | — | — |
| ≤1,0 mm2 | 17 | 20% | — | — |
| >1,0 mm2 | 27 | 31,76% | — | — |
| Ulceration | ||||
| Nonreported | 32 | 37,65% | — | — |
| Presence | 18 | 21,18% | — | — |
| Absence | 35 | 41,18% | — | — |
| Location | ||||
| Trunk | 12 | 14,12% | — | — |
| Head and neck | 37 | 43,53% | — | — |
| Upper extremities | 5 | 5,88% | — | — |
| Lower extremities | 9 | 10,59% | — | — |
| Hands and feet | 21 | 24,70% | — | — |
| Phototype | ||||
| 2 | 16 | 18,82% | 31 | 18,79% |
| 3 | 59 | 69,41% | 117 | 70,91% |
| 4 | 10 | 11,76% | 17 | 10,30% |
| Eye color | ||||
| Black or dark brown | 44 | 51,76% | 123 | 74,10% |
| Light brown | 30 | 35,29% | 27 | 16,27% |
| Green | 9 | 10,59% | 9 | 5,42% |
| Blue | 2 | 2,35% | 7 | 4,22% |
| Hair color | ||||
| Black or dark brown | 55 | 64,71% | 136 | 81,93% |
| Light brown | 29 | 34,12 | 28 | 16,87% |
| Red or blond | 1 | 1,18% | 2 | 1,20% |
| Personal history of cancer | ||||
| Yes | 3 | 3,52% | 9 | 5,42% |
| No | 82 | 96,48% | 157 | 94,58% |
| Family history of cancer | ||||
| Yes | 48 | 56,47% | 78 | 46,99% |
| No | 37 | 43,53% | 88 | 53,01% |
| Personal history of melanoma | ||||
| Si | 6 | 7,05% | 0 | — |
| No | 79 | 92,95% | 166 | 100% |
| Family history of melanoma | ||||
| Si | 7 | 8,24% | 2 | 1,20% |
| No | 78 | 91,76% | 164 | 98,80% |
| Nevus | ||||
| ≤50 | 71 | 83,53% | 161 | 96,99% |
| 50-100 | 11 | 12,94% | 5 | 3,01% |
| >100 | 3 | 3,53% | 0 | 0% |