Factors | Median OS (y) | P value |
---|---|---|
Histological type | Â | Â |
   ALM | 5.330 | < 0.001 |
   NM | 4.080 |  |
   SSM | 4.670 |  |
   MCM | 3.580 |  |
   Unclassifiable | 2.000 |  |
MCM vs. non-MCM | Â | Â |
   MCM | 3.580 | 0.036 |
   Non-MCM | 4.670 |  |
Primary location | Â | Â |
   Trunk | 4.670 | < 0.001 |
   H&N | Not reached |  |
   Palmoplantar/Subungual | 10.830 |  |
   Upper/Lower limb | 4.000 |  |
   Mucosal | 3.580 |  |
   Unknown | 2.000 |  |
Stage | Â | Â |
   I | not reached | < 0.001 |
   II | 4.250 |  |
   III | 2.830 |  |
   IV | 1.420 |  |
Gender | Â | Â |
   Male | 3.830 | 0.715 |
   Female | 3.920 |  |
Age | Â | Â |
   ≤ 65 y | 3.750 | 0.127 |
   > 65 y | not reached |  |
Ulceration | Â | Â |
   with | 4.000 | 0.080 |
   without | not reached |  |
Breslow thickness* | Â | Â |
   ≤ 1 mm |  | 0.290 |
   1-4 mm | 4.080 |  |
   > 4 mm | 4.000 |  |