Table 2 Univariable analyses of clinical and oncological factors with patient overall survival and recurrence

Gender^a

0.830

0.418

Age^b

0.393

0.341

Tumor size^b

0.64

0.668

Resection margins^a

0.44

0.379

Site (lumbar or sacral)^a

0.946

0.985

Site (proximal or distal S3)^a

0.402

0.895

Histologic subtype^{a, c}

0.821

0.974

RTX^a

0.992

0.74

Possibly confounding diagnosis^{a, d}

0.003

0.024

Recurrence^a

0.045

/

Pre-operative CRP levels^b

<0.0001

<0.0001

Pre-operative aP levels^b

0.285

0.563

Pre-operative fibrinogen levels^b

0.506

0.71