Prognostic significance of 14v-lymph node dissection to D2 dissection for lower-third gastric cancer

Table 3 Univariate and multivariate analyses of prognostic factors for patients with pathological stage IIIA gastric cancer

Variable	Univariate analysis		Multivariate analysis
	Hazard ratio (95%CI)	P-value	Hazard ratio (95%CI)	P-value
Status of 14v dissection		0.027		0.342
14vD (-)	1 (ref)		1 (ref)
14vD (+)	0.39 (0.17-0.90)		0.61 (0.22-1.70)
Age group		0.331		0.018
< 65 yr	1 (ref)		1 (ref)
≥ 65 yr	1.53 (0.65-3.64)		7.23 (1.41-37.06)
Gender		0.986		0.930
Male	1 (ref)		1 (ref)
Female	0.99 (0.44-2.24)		1.05 (0.36-3.09)
Tumor size		0.091		0.091
< 4 cm	1 (ref)		1 (ref)
≥ 4 cm	0.46 (0.19-1.13)		0.37 (0.12-1.17)
Histologic grade		0.220		0.091
Differentiated	1 (ref)		1 (ref)
Undifferentiated	1.71 (0.73-4.02)		2.71 (0.85-8.60)
pT stage		0.154		0.006
T2-3	1 (ref)		1 (ref)
T4	1.35 (0.89-2.04)		14.15 (2.11-95.06)
pN stage		0.886		0.335
N0-1	1 (ref)		1 (ref)
N2	0.86 (0.33-2.25)		1.77 (0.55-5.72)
N3a	0.74 (0.22-2.49)		3.69 (0.64-21.37)
Postoperative chemotherapy		0.936		0.586
No	1 (ref)		1 (ref)
Yes	0.96 (0.39-2.37)		0.75 (0.27-2.11)