Table 3 Multivariate analysis of disease specific survival
From: Survivorship and prognostic factors for pleomorphic liposarcoma: a population-based study
| Covariates | Hazard ratio | 95% CI | p value |
|---|---|---|---|
| Age (years) | |||
| < 65 | Reference group | ||
| ≥ 65 | 1.2 | 0.8–1.6 | 0.327 |
| Site | |||
| Soft tissue of extremity | Reference group | ||
| Soft tissue of axial | 0.8 | 0.5 to 1.2 | 0.253 |
| Internal tissue/organ | 1.0 | 0.6 to 1.6 | 0.964 |
| Cancer-directed surgery | |||
| Performed | Reference group | ||
| Not performed | 7.6 | 3.5 to 16.7 | < 0.001 |
| Size | – | – | – |
| Stage | – | – | – |
| Radiotherapy | – | – | – |
| Size*stage | – | – | – |
| Size*radiotherapy | – | – | – |