Table 4. Univariate and Multivariate Analyses of Various Factors on Survival.
| Factor | Univariate analysis | Multivariate analysis | |||
|---|---|---|---|---|---|
| Median ± SE | p-value | HR | 95% CI | p-value | |
| Sex | 0.301 | ||||
| Male | 19 ± 4 | ||||
| Female | 34 ± 14.2 | ||||
| Age (yr) | 0.451 | ||||
| ≤ 55 | 26 ± 5.4 | ||||
| > 55 | 23 ± 11.8 | ||||
| Primary cancer | 0.014* | 0.014* | |||
| Favourable | 34 ± 11.9 | 1 | |||
| Unfavourable | 17 ± 2.1 | 1.947 | 1.128–3.362 | ||
| Visceral metastases | 0.008* | 0.017* | |||
| Absent | 36 ± 8.8 | 1 | |||
| Present | 18 ± 2.1 | 1.985 | 1.132–3.483 | ||
| Solitary bone metastasis | 0.062 | ||||
| Yes | 47 ± 15.4 | ||||
| No | 20 ± 3.1 | ||||
| Serum albumin (g/L) | 0.003* | 0.009* | |||
| ≤ 39 | 18 ± 4.8 | 2.123 | 1.205–3.739 | ||
| > 39 | 47 ± 10.8 | 1 | |||
| Hemoglobin (g/L) | 0.054 | ||||
| ≤ 122 | 20 ± 4.8 | ||||
| > 122 | 30 ± 10.8 | ||||
| White blood cell count (×109/L) | 0.907 | ||||
| ≤ 5.8 | 28 ± 6 | ||||
| > 5.8 | 24 ± 9.4 | ||||
| Soft tissue component | 0.119 | ||||
| Absent | 29 ± 19.6 | ||||
| Present | 20 ± 3.1 | ||||
| Preoperative embolisation | 0.497 | ||||
| Done | 20 ± 2.6 | ||||
| Not done | 29 ± 6.2 | ||||
| Surgical margin | 0.302 | ||||
| En bloc | 30 ± 4.9 | ||||
| Curettage | 20 ± 3 | ||||
| Histological margin | 0.734 | ||||
| Negative | 18 ± 4.5 | ||||
| Positive | 23 ± 4.2 | ||||
| Postoperative radiation | 0.125 | ||||
| Received | 34 ± 8.5 | ||||
| Not received | 20 ± 4.6 | ||||
| Local recurrence | 0.151 | ||||
| Absent | 31 ± 7.8 | ||||
| Present | 20 ± 3 | ||||
SE: standard error, HR: hazards ratio, CI: confidence interval.
*Statistically significant.