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Table 2 The relationships of 7-lncRNA signature and Clinical characteristics of ESCC patients in the training cohort and independent cohort

From: The prognostic value of a seven-lncRNA signature in patients with esophageal squamous cell carcinoma: a lncRNA expression analysis

Characteristics

Training cohort (N = 141)

p value

Independent cohort (N = 103)

p value

Low risk

High risk

Low risk

High risk

n (%)

n (%)

n (%)

n (%)

Age

 ≤ 59

37 (52.1%)

35 (50.0%)

0.802

29 (55.8%)

25 (49.0%)

0.493

 > 59

34 (47.9%)

35 (50.0%)

 

23 (44.2%)

26 (51.0%)

 

Gender

 Male

58 (81.7%)

54 (77.1%)

0.500

36 (69.2%)

38 (74.5%)

0.660

 Female

13 (18.3%)

16 (22.9%)

 

16 (30.8%)

13 (25.5%)

 

Tobacco use

 Yes

49 (69.0%)

46 (65.7%)

0.680

31 (59.6%)

35 (64.1%)

0.413

 No

22 (31.0%)

24 (34.3%)

 

21 (40.4%)

16 (35.9%)

 

Alcohol use

 Yes

34 (47.9%)

27 (38.6%)

0.260

22 (42.3%)

18 (35.3%)

0.546

 No

37 (52.1%)

43 (61.4%)

 

30 (57.7%)

33 (64.7%)

 

Tumor location

 Upper

6 (8.5%)

7 (10.0%)

0.510

2 (3.8%)

6 (11.8%)

0.210

 Middle

51 (71.8%)

44 (62.9%)

 

32 (61.5%)

33 (64.7%)

 

 Lower

14 (19.7%)

19 (27.1%)

 

18 (34.6%)

12 (23.5%)

 

Tumor size

 ≤ 4

48 (67.6%)

46 (65.7%)

0.810

33 (63.5%)

30 (58.8%)

0.629

 > 4

23 (32.4%)

24 (32.3%)

 

19 (36.5%)

21 (41.2%)

 

N stage

 N0

40 (56.3%)

26 (37.1%)

0.050

35 (67.3%)

29 (56.9%)

0.240

 N1

22 (31.0%)

23 (32.9%)

 

11 (21.2%)

11 (21.6%)

 

 N2

6 (8.5%)

14 (20.0%)

 

6 (11.5%)

7 (13.7%)

 

 N3

3 (4.2%)

7 (10.0%)

 

0 (0.0%)

4 (7.8%)

 

TNM stage

 I

2 (2.81%)

2 (2.86%)

0.579

8 (15.4%)

2 (3.9%)

0.131

 II

34 (47.9%)

39 (55.7%)

 

28 (53.8%)

29 (56.9%)

 

 III

35 (49.3%)

28 (40.0%)

 

16 (30.8%)

20 (39.2%)

 

Survival status

 Survival cases

50 (70.4%)

20 (28.6%)

< 0.001

32 (61.5%)

11 (21.6%)

< 0.001

 Death cases

21 (29.6%)

50 (71.4%)

 

20 (38.5%)

40 (78.4%)

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