Table 1.
Patient and melanoma characteristics
| Patient and tumour characteristics | Melanoma group | Control group |
| Number of patients (n) | 65 | 218 |
| Age (mean) | 62.6 | 68.4 |
| Sex (n,%) | ||
| Male | 41 (63.1%) | 91 (41.7%) |
| Female | 24 (36.9%) | 127 (58.3%) |
| Melanoma size (mean, mm) | ||
| Largest basal dimension | 12.9 | – |
| Smallest basal dimension | 10.2 | – |
| Thickness | 6.04 | – |
| Melanoma location by quadrant (n,%) | ||
| Superonasal | 10 (15.4%) | – |
| Superotemporal | 23 (35.4%) | – |
| Inferonasal | 11 (16.9%) | – |
| Inferotemporal | 21 (32.3%) | – |
| Melanoma location relative to equator (n,%) | ||
| Anterior | 21 (32.3%) | – |
| Posterior | 44 (67.7%) | – |