TABLE 2.

Multivariate analysis of VTE in the whole study group. Overall death was used as a competing event

	HR	95% CI	p value
Age (years) at operation	1.000	0.964–1.012	0.322
Stage III vs. I–II	0.847	0.487–1.48	0.559
Tumor size (mm)	1.011	0.993–1.03	0.223
BMI ≥25 kg/m2	1.815	1.137–2.898	0.012
Preoperative oncologic therapy	1.897	1.167–3.082	0.010
Adjuvant therapy	0.878	0.510–1.512	0.639
Perivascular invasion	1.253	0.752–2.086	0.385

Bold indicates statistical significance values (p < 0.05).

Abbreviations: CI, confidence interval; HR, hazard ratio.