Table 2.
Multivariate analysis of overall survival predictive factors.
| Factor | HR | 95% CI | P value |
|---|---|---|---|
| Clinical Scenario | |||
| Planned excision | 1 | 0.2-1.3 | |
| Re-excision | 0.5 | p:0.2 | |
| Excision of a recurrence |
1.1 |
0.5-2.5 |
p:0.8 |
| Surgical Margins | |||
| wide + radical | 1 | 1 |
p:0.01 |
| Intralesional + marginal |
2.4 |
1.2–4.9 |
|
| Site | |||
| Upper extremities | 1 | ||
| Lower extremities | 1.4 | 0.6-2.5 | p:0.9 |
| trunk |
1.3 |
0.3–3.1 |
p:0.8 |
| Dimensions | |||
| <5 cm | 1 | 1 | |
| >5 < 10 cm | 2.8 | 1.3–5.8 | p:0.008 |
| >10 cm |
3.2 |
1.1–9.5 |
p:0.03 |
| Radiotherapy | |||
| yes | 1 | 0.4-1.8 |
p:0.9 |
| no |
0.9 |
||
| Chemotherapy | |||
| yes | 1 | 0.2-0.8 |
p:0.02 |
| no |
0.4 |
||
| Local Recurrence | |||
| yes | 2.9 | 1.5–5.9 | p:0.003 |
| no | 1 | ||