| Time | Initial Management Techniques | Mantel Cox Test | |||
| Surgery First | Chemotherapy First | ||||
| Mean | SEM | Mean | SEM | p | |
| DFS | 21.2 | 0.44 | 11.25 | 1.29 | 0.004* |
| OS | 17.8 | 1.59 | 9.9 | 0.77 | 0.019* |