Table 3.

Univariable and multivariable cox regression analysis for OS and DFS in the Node-Positive (N+) subgroup

	COX analysis about OS						COX analysis about DFS
	Univariate analysis			Multivariate analysis			Univariate analysis			Multivariate analysis
Characteristics	HR	CI	P	HR	CI	P	HR	CI	P	HR	CI	P
Age(years)	3.04	1.41–6.56	0.005	2.07	0.93–4.62	0.075	2.86	1.35–6.06	0.006	1.91	0.87–4.18	0.106
Sex	1.69	0.79–3.61	0.173				1.42	0.68–3	0.351
BMI(kg/m2)	0.81	0.71–0.91	0.001	0.86	0.76–0.97	0.018	0.81	0.72–0.92	0.001	0.86	0.76–0.97	0.012
NRS	2.98	1.2–7.41	0.019	2.77	0.92–8.31	0.07	2.7	1.09–6.69	0.032	2.69	0.95–7.62	0.062
Hgb(g/L)	1	0.98–1.02	0.999				1	0.99–1.02	0.778
Alb(g/L)	1.01	0.9–1.12	0.905				1	0.9–1.11	0.992
Diagnosis	1.42	0.6–3.37	0.423				1.3	0.57–2.96	0.53
Comorbidities	1.33	0.56–3.15	0.513				1.29	0.55–3.04	0.559
ASA	0.61	0.07–5.25	0.655				1.43	0.4–5.08	0.584
Surgery approach	1.45	0.68–3.11	0.336				1.48	0.7–3.11	0.306
Organ removal	0.54	0.13–2.27	0.397				0.75	0.23–2.5	0.646
Blood transfusion	1.02	0.45–2.32	0.968				0.94	0.41–2.12	0.873
Histological type	0.80	0.18–3.39	0.740				1.09	0.32–3.72	0.897
Difference degree	0.49	0.17–1.41	0.183				0.58	0.22–1.54	0.276
pT	1.61	0.75–3.43	0.222				1.72	0.82–3.62	0.153
Postoperative complications	0.96	0.36–2.54	0.935				0.99	0.93–1.06	0.863
HIPEC	0.29	0.09–0.97	0.044	0.21	0.06–0.76	0.017	0.36	0.12–0.83	0.049	0.26	0.08–0.82	0.022

Bold values indicate statistical significance (P < 0.05)