Table 3.
Univariate Analysis of Factors Influencing Survival
| Variable | No. of patients | 5-Year Survival (%) | Hazard Ratio (95% CI) | Log-Rank p value |
|---|---|---|---|---|
| All patients | 43 | 45 | ||
|
| ||||
| Gender | 1.12 (0.5–2.6) | 0.76 | ||
| Female | 18 | 41 | ||
| Male | 25 | 44 | ||
|
| ||||
| Age (years) | 2.19 (1.0–4.9) | 0.04 | ||
| >55 | 21 | 30 | ||
| ≤55 | 22 | 59 | ||
|
| ||||
| Tumor depth* | 4.53 (1.4–15.6) | 0.01 | ||
| Visceral | 8 | 12 | ||
| Deep | 24 | 46 | ||
| Superficial | 11 | 68 | ||
|
| ||||
| Tumor location** | 3.34 (0.97–13) | 0.054 | ||
| Retroperitoneal-visceral | 8 | 13 | ||
| Axial | 9 | 42 | ||
| Lower Extremity | 19 | 54 | ||
| Upper extremity | 7 | 66 | ||
|
| ||||
| Size of primary tumor (cm)* | 5.85 (0.6–107) | 0.03 | ||
| >10 | 14 | 29 | ||
| 5–10 | 19 | 44 | ||
| <5 | 6 | 100 | ||
|
| ||||
| Margin Status at Resection | 1.82 (0.6–4.7) | 0.22 | ||
| R1 | 9 | 44 | ||
| R0 | 25 | 56 | ||
|
| ||||
| Metastatic at initial diagnosis | 5.0 (1.8–12) | 0.0003 | ||
| Yes | 6 | 0 | ||
| No | 37 | 53 | ||
|
| ||||
| Recurrence status | 7.3 (2.6–26) | 0.0001 | ||
| Recurrence (local and/or distant) | 20 | 20 | ||
| No recurrence | 19 | 79 | ||
*
Hazard ratio comparing first and third categories.
**
Hazard ratio comparing first and fourth categories.