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Table 1 Patients’ detailed data

From: Nomogram predicting long-term overall and cancer-specific survival of patients with buccal mucosa cancer

Variables

Modeling group (n = 693)

Validation group (n = 462)

n

%

n

%

Age

 < 35

21

3.0

14

3.0

36–45

51

7.4

37

8.0

46–55

124

17.9

80

17.3

56–65

156

22.5

96

20.8

66–75

162

23.4

107

23.2

76–85

120

17.3

93

20.1

85 + 

59

8.5

35

7.6

Sex

Male

379

54.7

251

54.3

Female

314

45.3

211

45.7

Race

White

530

76.5

354

76.6

Black

67

9.7

38

8.2

Others

96

13.9

70

15.2

Origin

NSHL

632

91.2

424

91.8

SHL

61

8.8

38

8.2

Grade

I

211

30.4

140

30.3

II

367

53.0

240

51.9

III

112

16.2

77

16.7

IV

3

0.4

5

1.1

Surgery

Performed

585

84.4

394

85.3

None

108

15.6

68

14.7

Radiation

Yes

335

48.3

225

48.7

No

358

51.7

237

51.3

T stage

T1

272

39.2

170

36.8

T2

231

33.3

160

34.6

T3

87

12.6

48

10.4

T4

103

14.9

84

18.2

N stage

N0

459

66.2

313

67.7

N1

101

14.6

61

13.2

N2

129

18.6

86

18.6

N3

4

0.6

2

0.4

M stage

M0

680

98.1

454

98.3

M1

13

1.9

8

1.7

  1. NSHL: Non-Spanish-Hispanic-Latino. SHL: Spanish-Hispanic-Latino. Grade I: Well differentiated. II: Moderately differentiated. III: Poorly differentiated. IV: Undifferentiated
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