Expression of connective tissue growth factor in tumor tissues is an independent predictor of poor prognosis in patients with gastric cancer

Table 2 Multivariate analysis of the prognostic impact of CTGF expression by Cox proportional hazard model with backward stepwise procedure

Variables	B	SE	RR (95% CI)	P
TNM stage				< 0.001
II vs I	1.162	0.792	3.197 (0.677-15.099)	0.142
III vsI	2.202	0.734	9.039 (2.143-38.136)	0.003
IV vs I	3.561	0.746	35.208 (8.165-151.830)	< 0.001
Differentiation				0.067
Moderate vs Well	0.771	0.381	2.162 (1.024-4.567)	0.043
Poor vs Well	0.929	0.414	2.533 (1.126-5.699)	0.025
CTGF expression
High vs Low	0.565	0.265	1.760 (1.047-2.958)	0.033

B: Coefficient; RR: Relative risk; CI: Confidence interval.