Table III.

Association between the expressions of miR-21 and miR-138 and clinicopathological features.

Variables	n (%)	miR-21	t value	P-value	miR-138	t value	P-value
Age (years)			0.438	0.662		0.622	0.535
≥45	76 (59.4)	5.47±2.06			0.48±0.12
<45	52 (40.6)	5.31±1.98			0.46±0.24
Sex			0.408	0.684		1.220	0.225
Male	68 (53.1)	5.78±2.47			0.43±0.16
Female	60 (46.9)	5.64±1.05			0.47±0.21
Differentiation			2.000	0.048		3.541	0.001
Low-moderate	89 (69.5)	5.08±2.13			0.48±0.15
High	39 (30.5)	5.89±2.06			0.38±0.14
Lymph node metastasis			3.237	0.002		2.094	0.038
Yes	62 (48.4)	5.86±1.64			0.42±0.23
No	66 (51.6)	5.07±1.08			0.49±0.14
Distant metastasis			3.786	<0.001		4.051	<0.001
Yes	48 (37.5)	6.18±2.13			0.42±0.17
No	80 (62.5)	5.04±1.28			0.57±0.22
TNM stage			3.681	<0.001		3.818	<0.001
I+II	84 (65.6)	5.01±1.47			0.52±0.14
III+IV	44 (34.4)	6.14±1.95			0.41±0.18