Table 1. Correlations between miR-31 and E2F2 expressions and clinical characteristics in patients with gastric cancer.

Characteristics	Total No.	miR-31 expression			E2F2 expression
		Low	High	P-value	Low	High	P-value
		No. case (%)	No. case (%)		No. case (%)	No. case (%)
Age				0.055			0.623
< 60	18	6 (30)	12 (60)		5 (45)	13 (45)
≥ 60	22	14 (70)	8 (40)		6 (55)	16 (55)
Gender				0.095			0.157
Male	25	15 (75)	10 (50)		5 (45)	20 (69)
Female	15	5 (25)	10 (50)		6 (55)	9 (31)
Tumor size				0.264			0.422
< 5 cm	19	11 (55)	8 (40)		6 (55)	13 (45)
≥ 5 cm	21	9 (45)	12 (60)		5 (45)	16 (55)
Differentiation status
Moderate	18	5 (25)	13 (65)	0.012*	9 (82)	9 (31)	0.005*
Poor	22	15 (75)	7 (35)		2 (18)	20 (69)
Lymph node invasion				0.000*			0.008*
N0	4	0 (0)	4 (20)		4 (36)	0 (0)
N1	10	0 (0)	10 (50)		5 (45)	5 (17)
N2	9	5 (25)	4 (20)		1 (9)	8 (28)
N3	17	15 (75)	2 (10)		1 (9)	16 (55)
T stage				0.005*			0.030*
T1	2	0 (0)	2 (10)		2 (18)	0 (0)
T2	4	0 (0)	4 (20)		2 (18)	2 (7)
T3	27	13 (65)	14 (70)		7 (64)	20 (69)
T4	7	7 (35)	0 (0)		0 (0)	7 (24)
Distant metastasis				0.366			0.275
M0	28	13 (65)	15 (75)		9 (82)	19 (66)
M1	12	7 (35)	5 (25)		2 (18)	10 (34)