Table III.
Estimation of global survival by Kaplan-Meier considering clinical variables/demographics.
| Survival probability (%)
|
||||||
|---|---|---|---|---|---|---|
| Variables | Cases (n) | Mortalities (n) | 1 year | 3 years | 5 years | P-value |
| Chemotherapy | ||||||
| No | 33 | 13 | 90.9 | 64.5 | 59.6 | 0.436 |
| Yes | 32 | 15 | 84.4 | 49.2 | 49.2 | |
| Radiotherapy | ||||||
| No | 32 | 13 | 84.4 | 54.7 | 54.7 | 0.861 |
| Yes | 33 | 15 | 90.9 | 62.6 | 54.8 | |
| Type of surgery | ||||||
| Amputation | 20 | 9 | 75.0 | 52.5 | 52.5 | 0.381 |
| Resection | 44 | 19 | 93.2 | 62.6 | 56.7 | |
| Histological grade | ||||||
| I/II | 27 | 7 | 100 | 84.1 | 74.2 | 0.001 |
| III | 38 | 21 | 78.9 | 40.8 | 40.8 | |
| Gender | ||||||
| Female | 23 | 8 | 91.3 | 67.3 | 67.3 | 0.223 |
| Male | 42 | 20 | 85.7 | 54.9 | 46.5 | |
| Ethnicity | ||||||
| Caucasian | 43 | 17 | 88.4 | 59.7 | 55.9 | 0.559 |
| Other | 22 | 11 | 86.4 | 57.8 | 51.4 | |
| Previous treatment | ||||||
| No | 29 | 15 | 86.2 | 48.9 | 44.0 | 0.177 |
| Yes | 36 | 13 | 88.9 | 67.9 | 63.4 | |
| Ki-67 | ||||||
| Negative | 26 | 7 | 92.3 | 75.6 | 68.7 | 0.084 |
| + | 18 | 9 | 77.8 | 54.5 | 48.5 | |
| ++/+++ | 21 | 12 | 90.5 | 41.0 | 41.0 | |
| CD100 | ||||||
| Negative | 12 | 3 | 100 | 81.5 | 81.5 | 0.037 |
| + | 16 | 4 | 100 | 68.9 | 68.9 | |
| ++/+++ | 37 | 21 | 78.4 | 48.2 | 40.8 | |
CD100, cluster of differentiation 100.