Table 4.

Correlation of TRAIL-R1 expression with clinico-pathological parameters

Staining parameter	Tumor stage	Lymph nodes	Metastasis	Grading	Lymph vessels	Venous invasion	Perineural invasion
Intensity cytoplasm	τ = −0.018 p = 0.880	τ = 0.045 p = 0.703	τ = −0.096 p = 0.413	τ = −0.099 p = 0.382	τ = 0.127 p = 0.277	τ = 0.096 p = 0.404	τ = −0.033 p = 0.779
Number pos. cytoplasm	τ = − 0.115 p = 0.327	τ = − 0.080 p = 0.496	τ = 0.070 p = 0.548	τ = − 0.228 p = 0.043	τ = − 0.018 p = 0.877	τ = 0.044 p = 0.705	τ = 0.104 p = 0.375
Sum score cytoplasm	τ = 0.012 p = 0.918	τ = −0.006 p = 0.960	τ = −0.062 p = 0.598	τ = − 0.105 p = 0.351	τ = 0.071 p = 0.542	τ = 0.096 p = 0.407	τ = − 0.015 p = 0.896
Intensity nuclei	τ = − 0.210 p = 0.073	τ = − 0.006 p = 0.960	τ = 0.129 p = 0.272	τ = − 0.079 p = 0.482	τ = − 0.064 p = 0.584	τ = 0.096 p = 0.407	τ = 0.154 p = 0.188
Number pos. nuclei	τ = − 0.100 p = 0.392	τ = 0.172 p = 0.142	τ = 0.021 p = 0.858	τ = −0.057 p = 0.611	τ = − 0.005 p = 0.963	τ = 0.100 p = 0.385	τ = 0.148 p = 0.205
Sum score nuclei	τ = −0.028 p = 0.831	τ = − 0.010 p = 0.929	τ = 0.142 p = 0.224	τ = 0.079 p = 0.483	τ = 0.125 p = 0.285	τ = 0.134 p = 0.245	τ = 0.147 p = 0.210

Abbreviations: τ Kendall’s τ, p p value

Shown are correlation coefficients Kendall’s τ as well as the significance of the correlation