A novel nomogram individually predicting disease-specific survival after D2 gastrectomy for advanced gastric cancer

Table 2 Selected variables according to the Cox proportional hazards regression model to construct nomogram model

Variables	Univariate analysis			Multivariate analysis
Variables	HR	95% CI	P value	HR	95% CI	P value
Sex	1.071	0.924–1.240	0.362
Age (continuous)	1.018	1.011–1.024	< 0.001	1.024	1.017–1.030	< 0.001
Tumor location
Antrum	Ref			Ref
Body	1.494	1.214–1.837	< 0.001	1.472	1.195–1.813	< 0.001
Cardia/fundus	1.750	1.489–2.056	< 0.001	1.572	1.329–1.860	< 0.001
Whole stomach	3.597	2.674–4.839	< 0.001	1.971	1.408–2.760	< 0.001
Tumor size (continuous)	1.118	1.092–1.144	< 0.001	1.028	0.999–1.059	0.060
Lauren classification	1.350	1.164–1.565	< 0.001	1.297	1.111–1.517	0.001
Lymphatic/venous invasion	1.786	1.460–2.184	< 0.001	1.257	1.023–1.544	0.030
T category
T2	Ref			Ref
T3	2.223	1.597–3.096	< 0.001	1.581	1.132–2.209	0.007
T4a	3.419	2.545–4.594	< 0.001	2.204	1.631–2.979	< 0.001
T4b	5.432	3.853–7.660	< 0.001	2.929	2.051–4.183	< 0.001
Metastatic lymph node ratio (continuous)	8.423	6.798–10.436	< 0.001	6.815	5.411–8.582	< 0.001

ISSN: 2523-3548