Research Article
Adult Ewing Sarcoma: Survival and Local Control Outcomes in 102 Patients with Localized Disease
Table 3
Multivariate analysis for overall (OS) and event-free survival (EFS) (
).
| | Variable | OS | EFS | | Hazard Ratio (95% CI) | | Hazard Ratio (95% CI) | |
| | Sex | | | | | | Female | 1 | — | 1 | — | | Male | 1.58 (0.76–3.55) | 0.23 | 1.71 (0.86–3.66) | 0.13 | | Site of primary tumor | | | | | | Extremities | 1 | — | 1 | — | | Pelvis | 1.08 (0.42–2.51) | 0.86 | 0.95 (0.40–2.08) | 0.91 | | Axial | 1.19 (0.51–2.68) | 0.68 | 1.12 (0.53–2.32) | 0.77 | | Treatment era | | | | | | 1993–2007 | 1 | | 1 | | | 1977–1992 | 2.39 (1.14–5.25) | 0.02* | 1.62 (0.84–3.20) | 0.15 | | LC modality | | | | | | Surgery | 1 | — | 1 | — | | RT | 1.32 (0.54–3.29) | 0.54 | 1.53 (0.67–3.57) | 0.31 | | S + RT | 1.28 (0.56–2.96) | 0.56 | 1.44 (0.68–3.11) | 0.34 |
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Statistically significant.
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