Table 4 Correlations between vascular endothelial growth factor, Flk‐1, cyclooxygenase 2, Ki‐67 and p53 in B cell lymphomas.

	VEGF	Flk‐1	Ki‐67	p53
MVD			<0.001	0.027
			0.223	0.140
COX2	0.012		<0.001	<0.001
	0.154		0.236	0.247
Ki‐67	0.001	0.021		<0.001
	0.229	0.141		0.266
p53	0.008
	0.167

COX2, cyclooxygenase 2; MVD, microvessel density; VEGF, vascular endothelial growth factor.

Performed by the Pearson χ² test, except for values in italics, which were performed by the Spearman rank correlation analysis; upper: p value, lower: correlation coefficient.