Skip to main content

Table 1 Demographic and clinicopathologic variables of the training and validation sets

From: A novel nomogram based on cardia invasion and chemotherapy to predict postoperative overall survival of gastric cancer patients

Variable

Training set (n = 4528)

Validation set (n = 2015)

n

%

n

%

Age (years)

 Median (range)

66 (55–75)

66 (56–74)

 < 70

2748

60.7

1226

60.8

 ≥ 70

1780

39.3

789

39.2

Sex

 Male

2741

60.5

1236

61.3

 Female

1787

39.5

779

38.7

Race

 White

2787

61.6

1156

57.4

 Black

568

12.5

263

13.1

 Other

1173

25.9

596

29.6

Location

 Cardia

1135

25.1

364

18.1

 Non-cardia

3393

74.9

1651

81.9

Grade (histology)

 Well

155

3.4

102

5.1

 Moderately

1106

24.4

483

24.0

 Poorly

3267

72.2

1430

71.0

AJCC 8th Stage

 I

1109

24.5

517

25.7

 II

1513

33.4

501

24.9

 III

1401

30.9

846

42.0

 IV

505

11.2

151

7.5

T stage

 T1

736

16.3

448

22.2

 T2

1676

37.0

251

12.5

 T3

1407

31.1

727

36.1

 T4

709

15.7

589

29.2

N stage

 N0

1274

28.1

717

35.6

 N1

1176

26.0

359

17.8

 N2

1054

23.3

353

17.5

 N3

1024

22.6

586

29.1

M stage

 M0

4023

88.8

1865

92.6

 M1

505

11.2

150

7.4

Tumor size (cm)

 < 2

476

10.5

328

16.3

 2–10

3620

79.9

1532

76.0

 ≥ 10/diffuse

432

9.5

155

7.7

Examined LNs (No.)

 Median (range)

23 (19-31)

24 (19-33)

Radiation

 No radiation or surgery

3029

66.9

1526

75.7

 Yes

1499

33.1

489

24.3

Chemotherapy

 No/unknown

2167

47.9

873

43.3

 Yes

2361

52.1

1142

56.7

  1. LN lymph node, AJCC American Joint Committee on Cancer