Table 5.

Multivariate analysis. Clinical and pathological features that differentiate tumors with and without PPS involvement.

Feature	Estimate	Odds Ratio	95% CI	p Values *
Tumor size > 4 cm	1.064	2.899	1.989–4.226	0.000
Malignancy risk	−0.839	0.432	0.181–1.033	0.059
No WT histology	0.695	2.003	1.359–2.954	0.000
R1 radicality of resection	0.099	1.104	0.874–1.395	0.405
PO 7th nerve palsy risk	0.474	1.607	1.357–1.902	0.000

PO—postoperative. * p values in bold: statistically significant.