Table 5.

Multivariable analysis for the association of relevant variables with overall survival and disease-free survival

	OS >12 months	RR	OS >24 months	RR	DFS >6 months	RR
Sex (male)	0.128	–	0.026	2.2 (1.11–4.45)	0.057	–
No vascular resection	0.005	3.6 (1.46–8.81)	0.076	–	0.286	–
Operation time <330 min	0.039	1.8 (1.10–3.63)	0.032	2.5 (1.10–5.64)	0.143	–
NLR <1.7	0.007	2.5 (1.30–4.93)	0.019	2.5 (1.16–5.39)	0.050	2.0 (1.01–3.95)
PNI >53	0.012	2.6 (1.23–5.30)	0.008	3.1 (1.35–7.25)	0.113	–

Significant results (p < 0.05) are highlighted in bold

OS overall survival, RR risk ratio, DFS disease-free survival, NLR neutrophil-to-lymphocyte ratio, PNI Prognostic Nutritional Index