Table II.

Association between miR-491 or FOXP4 expression with the clinicopathological characteristics.

	miR-491, n			FOXP4, n
Characteristics	High	Low	P-value	High	Low	P-value
Age			0.3684			0.2504
<60	56	66		73	51
≥60	163	155		172	157
Sex			0.297			0.889
Female	111	100		115	100
Male	109	122		131	109
Stage			0.0455a			<0.001c
I	46	27		39	36
II	83	86		75	103
III	53	72		82	46
IV	34	31		44	20
T stage			0.0506			1
T1/2	51	34		48	40
T3/4	169	187		198	168
N stage			0.026a			<0.001c
N0	140	117		125	143
N1/2	80	105		121	66
M Stage			0.768			0.016a
M0	158	162		172	162
M1	34	31		44	20
Radiation therapy			0.949			1
No	179	188		202	175
Yes	5	4		5	4
Residual tumor			0.009b			0.7435
R0	146	168		170	159
R1	2	2		2	2
R2	21	5		15	9
RX	11	14		12	13
Histological type			0.397			0.1008
Adenocarcinoma	184	192		216	172
Mucinous adenocarcinoma	34	27		27	35
Ethnicity			0.014a			0.6216
American Indiand or Alaskan native	1	0		1	0
Asian	3	8		5	6
Black or African American	35	24		32	27
White	82	131		125	88

^aP<0.05

^bP<0.01

^cP<0.001

^das described in TCGA. Data were obtained from TCGA. miR-491, microRNA-491; FOXP4, forkhead box P4; TCGA, The Cancer Genome Atlas.