Table 2. Correlations between NAV3 copy number, chromosome 12 polysomy, tumour grade, Dukes' stage, and metastasis.

	Chromosome 12 polysomy	Tumour grade	Dukes grade	Lymph node metastases
NAV3 copy number change	P=0.005	ns	ns	P=0.045
	n=54	n=51	n=51	n=51
Chromosome 12 polysomy		P=ns	ns	P=0.023
		n=51	P=51	n=51
Nuclear beta-catenin expression	ns	ns	ns	P=0.048
	n=47	n=49	n=49	n=49
Upregulated IL-23R immunoreactivity	ns	ns	P<0.001	P<0.001a
	n=46	n=47	n=47	n=47

Abbreviations: IL23R=interleukin 23 receptor; NAV3=navigator 3; ns=not statistically significant.

Fisher's exact test was used if not otherwise indicated.

^aχ²-test.