Characteristic

let-7g Expression

p

miR-21 Expression

p

miR-205 Expression

p

Low

High

Low

High

Low

High

Age

≤67 years

28 (52.8%)

25 (48.2%)

0.626

29 (54.7%)

24 (45.3%)

0.758

38 (71.7%)

15 (28.3%)

0.539

>67 years

25 (48.1%)

27 (51.9%)

30 (57.7%)

22 (42.3%)

40 (76.9%)

12 (23.1%)

Gender

Males

38 (50.7%)

37 (49.3%)

0.95

44 (58.7%)

31 (41.3%)

0.419

52 (69.3%)

23 (30.7%)

0.054

Females

15 (50%)

15 (50%)

15 (50%)

15 (50%)

26 (86.7%)

4 (13.3%)

Histology

ADC

28 (49.1%)

29 (50.9%)

0.762

33 (57.9%)

24 (42.1%)

0.701

55 (96.5%)

2 (3.5%)

<0.0001

SCC

25 (52.1%)

23 (47.9%)

26 (54.2%)

22 (45.8%)

23 (47.9%)

25 (52.1%)

Tumor grade

G1

4 (80%)

1 (20%)

0.171

4 (80%)

71 (20%)

0.516

5 (100%)

0 (0%)

G2

33 (45.2%)

40 (54.8%)

40 (54.8%)

33 (45.2%)

56 (76.7%)

17 (23.3%)

0.08

G3

16 (59.3%)

11 (40.7%)

15 (55.6%)

12 (44.4%)

17 (63%)

10 (37%)

Smoking

Never smoking

8 (53.3%)

7 (46.7%)

0.795

8 (53.3%)

7 (46.7%)

0.551

13 (86.7%)

2 (13.3%)

Former smoking

21 (46.7%)

24 (53.3%)

23 (51.1%)

22 (48.9%)

30 (66.7%)

15 (33.3%)

0.226

Current smoking

24 (53.3%)

21 (46.7%)

28 (62.2%)

17 (37.8%)

35 (77.8%)

10 (22.2%)