Research Article

Platelet-Derived Growth Factors in Non-GIST Soft-Tissue Sarcomas Identify a Subgroup of Patients with Wide Resection Margins and Poor Disease-Specific Survival

Table 3

Result of the Cox regression analysis among all patients.

FactorHazard ratio95% CI 𝑃

Tumor depth
 Superficial1.000
 Deep9.7651.339–71.189.025

Tumor size.028*
 ≤5 cm1.000
 5–10 cm1.3790.855–2.223.187
 >10 cm1.9601.192–3.221.008

Malignancy grade<.001*
 11.000
 22.9141.605–5.292<.001
 34.6002.527–8.373<.001

Surgery
 Yes1.000
 No8.6284.269–17.438<.001

Resection margins
 Wide1.000
 Nonwide1.8471.243–2.744.003

Metastasis at time of diagnosis
 No1.000
 Yes2.5621.644–3.991<.001

*Overall significance as a prognostic factor.