Table 2 Correlation between TRAIL receptor expression levels and clinicopathologic prognosticators in primary OSCC

Variables

DR4 Mean ± SD

DR5 Mean ± SD

DcR1 Mean ± SD

DcR2 Mean ± SD

Well differentiated (n = 6)

2.96 ± 0.53

1.23 ± 0.71

2.40 ± 1.05

0.55 ± 0.38

Mod. differentiated (n = 19)

2.03 ± 0. 91

1.51 ± 0.79

2.46 ± 0.65

0.69 ± 0.42

Poorly differentiated (n = 8)

2.15 ± 0.86

1.01 ± 0.26

2.61 ± 0.61

0.80 ± 0.73

Basaloid SCC (n = 9)

2.18 ± 1.05

1.43 ± 0.70

2.64 ± 0.54

0.39 ± 0.36

P value

0.189

0.366

0.864

0.305

Tumor size

pT1 (n= 14)

2.45 ± 1.06

1.19 ± 0.65

2.41± 0.57

0.53 ± 0.47

pT2 (n = 23)

2.16 ± 0.85

1.44 ± 0.63

2.60 ± 0.77

0.60 ± 0.41

pT3 (n = 2)

2.05 ± 0.21

2.5 ± 0.98

2.45 ± 0.07

0.75 ± 0.07

pT4 (n = 3)

1.93 ± 1.15

2.7 ± 0.57

2.7 ± 0.7

1.10 ± 1.04

P value

0.734

0.03

0.846

0.336

Lymph node status

pN0 (n = 25)

2.27 ± 0.88

1.36 ± 0.79

2.67 ± 0.75

0.69 ± 0.55

pN1/2 (n = 17)

2.21 ± 0.99

1.35 ± 0.57

2.34 ± 0.50

0.53 ± 0.36

P value

0.842

0.986

0.098

0.256