Table 5. Cox multivariate regression: hazard of death with robotic compared to open surgical approach.

Predictors	HR (95% CI)	p-value
Robotic approach (unadjusted)	0.964 (0.260–3.576)	0.957
Age	1.025 (0.985–1.067)	0.219
BMI		0.973
Complication	1.110 (0.305–4.037)	0.874
Histology	1.201 (0.635–2.273)	0.573
LVSI	2.597 (0.870–7.750)	0.087
Positive lymph nodes	1.937 (0.596–6.296)	0.271
Stage	1.760 (1.028–3.013)	0.039
Adjuvant treatment	1.797 (0.588–5.493)	0.304
Depth of invasion		0.881
Robotic approach (adjusted )	0.878 (0.232–3.322)	0.848

BMI, body mass index; CI, confidence interval; HR, hazard ratio; LVSI, lymphovascular space invasion.