Table 2.
Characteristics of patients with metastatic melanoma in this study (n = 50).
| Characteristic | Training sample N = 34 | Verification sample N = 16 | P-value |
|---|---|---|---|
| Median age (range), years | 55 (31–77) | 55 (47–75) | 0.227 |
| Sex | 0.161 | ||
| Female | 22 | 7 | |
| Male | 12 | 9 | |
| Location of primary lesion | 0.466 | ||
| Nasal cavity | 1 | ||
| Oral cavity | 1 | ||
| Esophagus | 2 | ||
| Genital tract | 3 | 1 | |
| Rectum | 1 | ||
| Skin | 24 | 12 | |
| Unknown | 3 | 2 | |
| Location of metastatic target lesion | 0.299 | ||
| Lung | 8 | 3 | |
| Lymph nodes | 14 | 10 | |
| Nasal cavity | 1 | ||
| Subcutaneous | 7 | 1 | |
| Breast | 1 | ||
| Adrenal gland | 2 | ||
| Pleura | 1 | ||
| Genital tract | 1 | 1 |