Table 2.

Spearman's correlation between reciprocal expression of all examined IGF-1 mRNA isoforms in colorectal cancers (tumor) and non-neoplastic tissue of the colon (control); bold numbers denote Spearman's rank correlation coefficients (r), at p ⩽ 0.05

A		B		C		I		II
		Tumor	Control	Tumor	Control	Tumor	Control	Tumor	Control
A	–	0.522	0.412	0.988	0.654	0.945	0.890	0.830	0.528
B		–	–	0.462	0.544	0.582	0.110	0.841	0.874
C				–	–	0.957	0.681	0.777	0.462
I						–	–	0.824	0.231
II								–	–