Table 3.
Multivariate analysis for overall (OS) and event-free survival (EFS) (n = 102).
| Variable | OS | EFS | ||
|---|---|---|---|---|
| Hazard Ratio (95% CI) | P | Hazard Ratio (95% CI) | P | |
| 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 |
*Statistically significant.