Table 4.
Univariate analysis for possible factors resulted in amputation
| Variable | Amputation (N = 18) | Limb Salvage (N = 66) | P Value* |
|---|---|---|---|
| Mean time between symptom appeared to diagnosis (mo) | 2.89 ± 1.83 | 2.96 ± 2.63 | 0.947 |
| Tumor volumes (cm3) | 131.06 ± 86.46 | 96.70 ± 75.21 | 0.343 |
| Extraosseous Tumor Volumes (cm3) | 83.57 ± 78.75 | 39.09 ± 34.65 | 0.144 |
| Nearest to popliteal vessels (mean; cm) | |||
| Reactive zone | 0.05 ± 0.15 | 0.31 ± 0.39 | 0.052 |
| Tumor | 0.45 ± 0.51 | 1.33 ± 0.90 | 0.016 |
| Nearest to anterior tibial vessels (mean; cm) | |||
| Reactive zone | 0.00 ± 0.00 | 0.11 ± 0.27 | 0.192 |
| Tumor | 0.08 ± 0.25 | 0.62 ± 0.65 | 0.020 |
| Nearest to posterior tibial vessels (mean; cm) | |||
| Reactive zone | 0.00 ± 0.00 | 0.36 ± 0.38 | 0.008 |
| Tumor | 0.41 ± 0.56 | 1.35 ± 0.84 | 0.010 |
*The p value was calculated using the Fisher’s exact test for categorical variables and t-test for continuous variables