Evidence that the p53 negative / Bcl-2 positive phenotype is an independent indicator of good prognosis in colorectal cancer: A tissue microarray study of 460 patients

Table 4 Cox multivariate analysis.

Variable	Category	OR	95% CI	p value
TNM stage	I	1		<0.001
	II	1.427	0.758–2.689
	III	3.170	1.728–5.816
	IV	22.070	11.309–43.068
	Unknown	2.895	0.640–13.102
Vascular invasion status	Negative	1		<0.001
	Positive	2.156	1.525–3.047
	Unknown	1.221	0.798–1.869
p53/Bcl-2 status	Non- p53(-) / Bcl-2 (+)	1		0.029
	P53(-) / Bcl-2 (+)	0.659	0.452–0.959

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