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Table 1 Comparison of demographic and pathologic data between the two groups

From: Elective neck dissection versus wait-and-see policy in cT1N0 buccal squamous cell carcinoma

Variables

Elective neck dissection (n = 125)

Wait-and-see policy (n = 50)

p

Age

 <40

10

6

 

 ≥40

115

44

0.562

Sex

 Male

93

39

 

 Female

32

11

0.617

Smoker

 Yes

75

37

 

 No

50

13

0.081

Alcohol Use

 Yes

63

28

 

 No

62

22

0.503

Education

 <High school

35

10

 

 ≥High school

90

40

0.274

Area

 Countryside

89

29

 

 Urban

36

21

0.092

Hospitalization expenses

26,000 (24000–30,000)

22,000 (18000–26,000)

< 0.001

PNIa

 Yes

10

4

 

 No

115

46

1.000

LVI&

 Yes

7

4

 

 No

118

46

0.731

Invasion depth (mm)

2.4 (1.7–4.7)

2.3 (1.8–4.6)

0.584

Tumor differentiation

 Well

50

18

 

 Moderate

68

29

 

 Poor

7

3

0.925

Radiotherapy

 Yes

15

8

 

 No

110

42

0.453

Follow-up time

59.4 (7–115)

64.0 (6–105)

0.226

  1. aPNI perineural invasion, LVI lymphovascular infiltration