Age | | | |
>60 years | 1.01 | 0.6–1.7 | 0.96 |
Ref: ≤60 years | | | |
| | | |
Multifocality (continuous) | 1.17 | 0.78–1.75 | 0.45 |
| | | |
Growth pattern | | | |
Nodular or mixed | 1.06 | 0.98–1.14 | 0.14 |
Ref: superficial | | | |
| | | |
Sex | | | |
Male | 0.86 | 0.42–1.77 | 0.86 |
Ref: female | | | |
| | | |
Histological cell type | | | |
Epithelioid and mixed |
2.9
|
1.0–8.48
|
0.05
|
Ref: spindle | | | |
| | | |
Grade of invasion | | | |
Deeper than subst propria |
3.9
|
1.42–10.71
|
0.008
|
Ref: subst propria | | | |
| | | |
Location† | | | |
Unfavourable | 0.87 | 0.42–1.77 | 0.69 |
Ref: favourable | | | |
| | | |
Surgical excision | | | |
Not in toto |
3.55
|
1.38–9.1
|
0.008
|
Ref: in toto | | | |
| | | |
Adjuvant therapy | | | |
No | 1.25 | 0.79–1.96 | 0.34 |
Ref: yes | | | |
| | | |
Grade of pigmentation | | | |
Amelanotic or mixed |
2.0
|
1.35–3.07
|
0.0007
|
Ref: melanotic | | | |
| | | |
Clinical origin | | | |
PAM or de novo | 0.87 | 0.49–1.53 | 0.63 |
Ref: naevus | | | |