Clinical significance of preoperative regional intra-arterial infusion chemotherapy for advanced gastric cancer

Table 1 Comparison of pathological parameters between two groups

Groups	TNM stage			Differentiation grade			Growth pattern		Lymphatic vessel invasion		Venous vessel invasion
	II	III	IV	Well	Moderately	Poorly	Expensiv	Infiltrative	Negative	Positive	Negative	Positive
Intervevtional	11	12	6	1	19	17	15	22	14	23	32	5
Control	16	29	9	1	29	24	25	29	17	37	46	8
	P > 0.05			P > 0.05			P > 0.05		P > 0.05		P > 0.05

Table 2 Comparison of immunohistochemistry results between two groups

Groups	Expression of CD44V6				Expression of E-CD				PCNA LI (%)
	-	+	++	+++	-	+	++	+++
Interventional	8	14	5	10	11	13	9	4	63.8 ± 17.6
Control	16	12	8	18	17	18	13	6	64.7 ± 18.0
	P > 0.05				P > 0.05				P > 0.05

Table 3 Independent prognostic variables identified by Cox proportional hazard model

Variables	SE	Wald	df	Sig	R	Exp(B)
TNM stage	0.1220	16.3113	1	0.0001	0.1753	1.6304
Interventional chemotherapy	0.2501	4.7491	1	0.0285	0.0681	1.6981
Growth pattern	0.2607	4.0105	1	0.0417	0.0711	1.6953