Table 3.

Univariate and multivariate Cox proportional hazard models for overall survival after surgery

	Overall survival
	Univariate analysis		Multivariate analysis
	HR (95% CI)	P-value	HR (95% CI)	P-value
Age (years)
<65	–
≥65	0.830 (0.509–1.355)	0.457
Gender
Male	–
Female	0.753 (0.444–1.277)	0.292
Tumor location
Gastric fundus	–
Gastric corpus	1.089 (0.496–2.393)	0.832
Pylorus	4.034 (0.478–34.077)	0.200
Tumor sizes (cm)
<3	–
≥3	1.285 (0.467–3.537)	0.627
T stage
T1	–
T2	0.863 (0.215–3.460)	0.835
T3	3.457 (1.209–9.883)	0.021
T4	3.770 (1.190–11.942)	0.024
N stage
N0	–
N1	1.540 (0.764–3.100)	0.227
N2	2.616 (1.302–5.255)	0.007
N3	0.000 (0.000–0.000)	0.969
M stage
M0	–
M1	2.562 (1.218–5.391)	0.013
UICC stage
I	–
II	4.521 (1.032–19.798)	0.045
III	9.787 (2.298–41.671)	0.002
IV	13.481 (2.833–64.142)	0.001
Vessel invasion
No	–
Yes	1.194 (0.649–2.196)	0.568
Nerve invasion
No	–
Yes	0.861 (0.269–2.759)	0.802
Differentiation
High	–
Moderate	1.488 (0.201–11.013)	0.697
Low	1.838 (0.251–13.478)	0.550
Relapse
No	–
Yes	2.550 (1.521–4.276)	<0.001
PCDHGA9
Negative	–		–
Weak	0.522 (0.301–0.905)	0.021	0.461 (0.225–0.946)	0.035
Positive	0.013 (0.002–0.104)	<0.001	0.003 (0.000–0.050)	<0.001

HR hazard ratio, CI confidence interval