Table 2.

The correlations between the expression of miR-421 and clinic pathologic features in osteosarcoma.

			miR-421 expression
Parameters	Description	No. of patient	High low		χ2	P value
Gender	Male	19	8	11	2.625	0.105
	Female	11	8	3
Age(years)	<18	16	9	7	0.536	0.464
	≥18	14	6	8
TNM stage	I	14	10	4	6.735	0.034*
	II	10	2	8
	III	6	4	2