Clinical Study
Prognostic Factors and Metastatic Patterns in Primary Myxoid/Round-Cell Liposarcoma
Table 1
Risk factors for local recurrence at 5 years following tumour resection with hazards ratio estimates, 95% confidence limits and values.
| Factor | 5 years risk of LR | HR | 95% CI | value |
| Overall | 13% | | | |
| Depth: | | | | | Superficial | 9% | 1.46 | 0.42–5.00 | 0.55 | Deep | 14% | 1 | | |
| Size: | | | | | Up to 5 cm | 50% | 2.285 | 0.63–8.27 | 0.208 | >5 cm to <10 cm | 7% | 0.681 | 0.24–1.96 | 0.476 | >10 cm | 14% | 1 | | |
| Site: | | | | | Lower extremity | 12% | 0.269 | 0.06–1.18 | 0.081 | Upper extremity | 40% | 1 | | | Trunk | 20% | 0.605 | 0.60–6.76 | 0.683 |
| Histology: | | | | | Pure myxoid | 9% | 1 | | | 0–5% round cell | 4% | 0.472 | 0.055–4.04 | 0.493 | >5% round cell | 26% | 3.321 | 1.12–9.82 | 0.03 |
| Margin: | | | | | Intralesional | 34% | 2.445 | 0.85–7.06 | 0.098 | Marginal | 6% | 0.395 | 0.13–1.21 | 0.103 | Wide | 15% | 1 | | |
| Surgery: | | | | | Amputation | 10% | 0.625 | 0.083–4.69 | 0.648 | Limb salvage | 13% | 1 | | |
| Postoperative radiotherapy | 11% | 1 | | | No radiotherapy | 17% | 1.13 | 0.429–2.977 | 0.80 |
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