Table 1.
Clinical and pathological features associated with regression.
| Variables | Absence of regression | Presence of regression | p | |
|---|---|---|---|---|
| Age (years) – median | 49.5 (39; 62) | 50 (40.5; 58) | 0.8 | |
| Gender | Female | 66 (48.5%) | 22 (59.5%) | 0.3 |
| Male | 70 (51.5%) | 15 (40.5%) | ||
| Histologic type | Superficial spreading | 78 (57.4%) | 24 (64.9%) | 0.2 |
| Nodular | 49 (36%) | 13 (35.1%) | ||
| Other | 9 (6.6%) | – | ||
| Mitotic rate | 129 (94.9%) | 34 (91.9%) | 0.7 | |
| Ulceration | 69 (50.7%) | 16 (43.2%) | 0.5 | |
| Lymphovascular invasion | 5 (3.7%) | 1 (2.7%) | 1 | |
| TIL | Absent | 14 (10.3%) | 4 (10.8%) | 0.01 |
| Mild | 43 (31.6%) | 6 (16.2%) | ||
| Moderate | 55 (40.4%) | 18 (48.6%) | ||
| Marked | 24 (17.6%) | 9 (24.3%) | ||
| Positive SLN | 32 (25.8%) | 5 (10.2%) | 0.04 | |
| Breslow thickness (mm) | 2.2 (1.8; 3) | 2.3 (1.2; 3) | 0.4 | |
| Breslow thickness >2 mm | 79 (58.1%) | 20 (54.1%) | 0.8 | |
| Metastasis | 33 (24.3%) | 7 (18.9%) | 0.6 | |