Should Aggressive Surgical Local Control Be Attempted in All Patients with Metastatic or Pelvic Ewing's Sarcoma?

Table 8

Univariate analyses of variables for Overall Survival (OS).

Univariate Overall Survival Analysis^δ
Variable	5-year cumulative survival	𝑃 Value
Age (46 patients)		0.217
<14	0.74±.16
≥14	0.67±.08
Location (46 patients)		0.308
Appendicular	0.67±.10
Axial	0.68±.11
Pelvic Location (46 patients)		0.455
No	0.69±.09
Yes	0.64±.15
Bone or Soft Tissue (46 patients)		0.066
Bone	0.72±.08
Soft Tissue	0.43±.19
Metastatic Disease (42 patients)		0.061
No	0.70±.09
Yes	0.51±.15
Multicentric Metastatic Disease (42 patients)		0.004^†
No	0.73±.08
Yes	0.21±.18
Local Radiation (43 patients)		0.398
No	0.70±.09
Yes	0.50±.16
Recurrence (46 patients)		0.001^†
No	0.83±.07
Yes	0.34±.14
Margins (35 patients)		0.291
Negative	0.75±.09
Positive	0.53±.17

^δ: Log Rank of Kaplan Meier OS survival curves.
^†: Statistically significant factor.