Table II.

Correlation between the expression of miRNA-299 and miRNA-7706 and clinical factors.

Clinical factors	N (%)	Expression level of miRNA-299	P-value	Expression level of miRNA-7706	P-value
Age (years)			0.684		0.841
<60	72 (40.2)	0.94±0.24		1.12±0.41
≥60	107 (59.8)	0.87±0.31		1.24±0.47
Sex			0.714		0.614
Male	127 (70.9)	0.67±0.51		0.91±0.47
Female	52 (29.1)	0.88±0.45		0.98±0.51
Pathological stage			0.039		0.042
I	58 (32.4)	0.94±0.22		1.22±0.44
II	79 (44.1)	0.81±0.39		0.98±0.39
III	42 (23.5)	0.73±0.16		0.81±0.33
TNM stage			0.057		0.061
I	36 (20.1)	0.94±0.29		1.14±0.41
II	69 (38.5)	0.92±0.32		1.07±0.37
III/IV	74 (41.4)	0.85±0.34		0.92±0.46
Lymph node metastasis			0.031		0.044
Positive	89 (49.7)	0.73±0.23		0.84±0.32
Negative	90 (50.3)	0.91±0.18		1.27±0.39
History of smoking			0.062		0.784
Yes	100 (55.8)	0.82±0.33		1.09±0.36
No	79 (44.2)	0.87±0.36		1.01±0.44