Table 3.

Univariate and multivariate analyses of clinicopathological factors associated with overall survival in gastric cancer patients

Characteristics	Univariate analysis		Multivariate analysis
	HR (95% CI)	P	HR (95% CI)	P
Tumour grade (T1, T2, T3, T4)	3.025 (1.333–6.868)	0.008a	–	–
LNM (present/absent)	3.132 (1.590–6.171)	0.001a	–	–
TNM (I, II, III, IV)	2.079 (1.549–2.792)	0.000a	1.619 (1.104–2.373)	0.014a
PTTG3P (high/low)	1.794 (1.266–2.541)	0.001a	1.578 (1.110–2.243)	0.011a

HR: hazard ratio; CI: confidence interval; LNM: lymph node metastasis.

^a P < 0.05.