Table 6 Disease-specific survival (DSS) according to clinical and histological characteristics
From: Melanoma characteristics in Brazil: demographics, treatment, and survival analysis
Variable | Category | n | 5-year SCS (%) | p |
|---|---|---|---|---|
Anatomical location | Upper limbs | 139 | 75.9 | <0.001 |
Trunk | 303 | 72.0 | ||
Head and neck | 172 | 65.3 | ||
Lower limbs | 264 | 62.1 | ||
Unknown | 7 | 50.0 | ||
Sentinel node | Negative | 258 | 80.6 | <0.001 |
Positive | 77 | 54.9 | ||
Clark | II | 97 | 93.4 | <0.001 |
III | 246 | 80.2 | ||
IV | 313 | 67.7 | ||
V | 106 | 38.3 | ||
Histological subtype | Acral lentiginous | 53 | 50.5 | <0.001 |
Nodular | 258 | 61.3 | ||
Superficial Spreading | 326 | 82.3 | ||
Lentigo maligna | 34 | 87.5 | ||
Not classified/other | 136 | 86.4 | ||
Mitosis/mm2 | 0-1 | 95 | 77.5 | 0.005 |
>1 | 236 | 62.2 | ||
Intratumoural lymphocyte infiltration | Yes | 227 | 63.8 | 0.224 |
No | 228 | 71.3 | ||
Peritumoural lymphocyte infiltration | Yes | 366 | 71.3 | 0.136 |
No | 162 | 57.4 | ||
Vascular and lymphatic infiltration | Yes | 29 | 50.0 | 0.066 |
No | 321 | 68.5 | ||
Perineural invasion | Yes | 14 | 68.8 | 0.974 |
No | 303 | 67.9 | ||
Ulceration | Present | 260 | 56.8 | <0.001 |
Absent | 332 | 78.0 | ||
Regression | Yes | 57 | 73.3 | 0.863 |
No | 413 | 69.2 | ||
Microscopic satellitosis | Yes | 44 | 37.2 | <0.001 |
No | 403 | 74.0 |