Table 1. Characteristics of the patients in the tissue microarrays cohort according to the cancer status, NDRG2 and c-Myc expression.

Patients demographics	Total N = 68	NDRG2		Pa	c-Myc		Pa
		Negative	Positive		Negative	Positive
Sex				0.821			0.846
Male	38	11	27		1	37
Female	30	9	21		0	30
Age of diagnosis, years				0.835			0.866
< 60	35	12	23		0	35
> 60	33	8	25		1	32
Differentiation status				< 0.001			0.006
Poor	5	4	1		0	5
Moderate	48	16	32		0	48
Well	15	0	15		1	14
TNM stage				0.547			0.332
I	1	0	1		0	1
II	6	2	4		1	5
III	48	14	34		0	48
IV	13	4	9		0	13

Abbreviation: NDRG2, N-Myc downstream-regulated gene 2; TNM, tumor node metastasis.