Clinical Study
Prognostic Factors and Metastatic Patterns in Primary Myxoid/Round-Cell Liposarcoma
Table 3
Factors affecting disease specific survival, showing hazards ratio estimates, 95% confidence limits and values.
| Factor | 5 years disease specific survival | HR | 95% CI | value |
| Overall | 75% | | | |
| Age under 50 | 81% | 0.543 | 0.36–1.12 | 0.139 | Age over 50 | 66% | 1 | | |
| Depth: | | | | | Superficial | 87% | 1 | | | Deep | 71% | 1.69 | 0.72–3.99 | 0.232 |
| Size: | | | | | Up to 5 cm | 73% | 0.647 | 0.15–2.71 | 0.552 | > 5 cm to <10 cm | 78% | 0.607 | 0.31–1.18 | 0.143 | >10 cm | 72% | 1 | | |
| Site: | | | | | Lower extremity | 76% | 0.793 | 0.19–3.29 | 0.749 | Upper extremity | 60% | 1 | | | Trunk | 50% | 1.142 | 0.10–12.89 | 0.914 |
| Histology: | | | | | Pure myxoid | 91% | 1 | | | 0–5% round cell | 88% | 2.785 | 0.80–9.69 | 0.107 | >5% round cell | 58% | 6.897 | 2.53–18.82 | 0.0002 |
| Margin: | | | | | Intralesional | 70% | 1.493 | 0.65–3.46 | 0.34 | Marginal | 78% | 0.721 | 0.38–1.38 | 0.32 | Wide | 71% | 1 | | |
| Surgery: | | | | | Amputation | 51% | 3.062 | 1.47–6.37 | 0.0027 | Limb salvage | 77% | 1 | | |
| Postoperative radiotherapy | 76% | 1 | | | No radiotherapy | 74% | 0.975 | 0.50–1.89 | 0.975 |
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