Table 1.

Association of miR-155 expression with clinicopathologic features of colorectal cancer patients

Characteristics	Number of cases	The average expression level of miR-155 (2−ΔΔCT)	P-value
Age (years)			0.86
<60	17	12.34±9.62
≥60	13	11.78±8.23
Gender			0.72
Male	13	12.07±8.24
Female	17	10.93±8.66
Tumor differentiation			0.04*
Well/moderate	20	9.75±8.66
Poor	10	16.60±8.36
TNM classification			0.003**
I/II	22	9.00±6.68
III/IV	8	19.56±9.35

Notes: Data presented as mean ± SD unless otherwise indicated;

^*P<0.05,

^**P<0.01.

Abbreviations: TNM, tumor-node-metastasis; miR-155, MicroRNA-155.