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

Table 4

Prognostic variables on a multivariate Cox regression analysis model.

Variables	Patients, n	Univariate analysis ( value)	Hazard ratio (95% confidence interval)	Multivariate analysis ( value)
Age, years		0.78
<60	80
≥60	100
Gender		0.82
Male	120
Female	60
Histopathology		<0.01	1.7 (1.0–3.0)	0.06
Differentiated	88
Undifferentiated	92
Depth of invasion		<0.01	1.8 (1.0–3.1)	0.04
T1	45
T2/T3/T4	135
Lymph node metastasis		<0.01	9.8 (2.3–36.2)	<0.01
N0	101
N1/N2/N3	79
PDGF-B expression		<0.01	4.7 (2.2–10.3)	<0.01
Low	72
High	108
PDGF-D expression		<0.01	3.2 (1.8–10.5)	<0.01
Low	43
High	137