Table 1 Correlation between the clinicopathological features and the expressions of TLR4 and MyD88

Tobacco

 Yes

8

1.50 ± 0.92

Z = -0.101

0.919

1.37 ± 0.74

Z = -0.565

0.572

 No

22

1.45 ± 0.74

1.59 ± 0.73

Alcohol

 Yes

2

2.00 ± 1.41

Z = -0.702

0.472

2.00 ± 1.00

Z = -1.092

0.275

 No

28

1.43 ± 1.74

1.5 ± 0.74

Sex

 Male

22

1.59 ± 0.73

Z = -1.294

0.196

1.36 ± 0.72

Z = -0.396

0.696

 Female

8

1.12 ± 0.83

1.75 ± 1.04

Tumor site

 Oral cavity

20

1.55 ± 0.82

χ2=1.635 d.f. = 3

0.652

1.45 ± 0.64

χ2=0.032 d.f. = 3

0.999

 Gingiva

4

1.25 ± 0.95

1.5 ± 1.29

 Mouth floor

3

1.33 ± 0.57

1.33 ± 1.15

 Other

3

1.33 ± 0.57

1.66 ± 1.15

Tumor stage

 T1

3

1.66 ± 1.15

χ2=1.698 d.f = 3

0.637

1.66 ± 0.57

χ2=0.498 d.f. = 3

0.919

 T2

14

1.57 ± 0.75

1.35 ± 0.74

 T3

6

1.50 ± 0.83

1.50 ± 1.04

 T4

7

1.14 ± 0.69

1.57 ± 0.97

Nodal status

 N0

14

1.57 ± 0.85

Z = -0.495

0.621

1.50 ± 0.65

Z = -0.224

0.823

 N1

16

1.37 ± 0.71

1.43 ± 0.96

Pathological differentiation grade

 Well

13

1.76 ± 0.72

χ2=8.014 d.f = 2

0.018

1.61 ± 0.76

χ2=6.774 d.f. = 2

0.034

 Moderatedly

13

1.61 ± 0.50

1.69 ± 0.75

 poorly

4

0.50 ± 0.57

0.50 ± 0.57