Platelet-Derived Growth Factors Affect Clinical Features and Prognosis of Gastric Cancer

Table 3

Clinicopathological features and expression of PDGF-B and PDGF-D.

Variables	PDGF-B expression		χ^2		PDGF-D expression		χ^2
	Low (n = 72)	High (n = 108)			Low (n = 43)	High (n = 137)
Age, years			0.84	0.36			2.09	0.15
<60	35	45			15	65
≥60	37	63			28	72
Gender			1.67	0.20			1.85	0.17
Male	52	68			25	95
Female	20	40			18	42
Histopathology			15.18	<0.01			9.78	<0.01
Differentiated	24	68			15	85
Undifferentiated	48	40			28	52
Depth of invasion			17.78	<0.01			6.37	0.01
T1	30	15			17	28
T2/T3/T4	42	93			26	109
Lymph node metastasis			16.88	<0.01			15.36	<0.01
N0	45	34			30	49
N1/N2/N3	27	74			13	88
TNM stage			8.16	<0.01			27.89	<0.01
I	38	34			32	40
II/III	34	74			11	97