Table 4.

Correlation of HMGA2 expression with clinico-pathological parameters

Staining parameter	Tumor category	Nodal spread	Distant metastasis	Venous invasion	Perineural invasion	Lymph vessel	Grading
Intensity cytoplasm	τ = 0.033 p = 0.731	τ = − 0.003 p = 0.971	τ = − 0.135 p = 0.224	τ = 0.182 p = 0.061	τ = − 0.041 p = 0.680	τ = 0.285 p = 0.004	τ = − 0.150 p = 0.105
Number pos. cytoplasm	τ = − 0.020 p = 0.827	τ = 0.094 p = 0.309	τ = 0.052 p = 0.624	τ = 0.185 p = 0.046	τ = 0.002 p = 0.980	τ = 0.096 p = 0.309	τ = − 0.120 p = 0.174
Sum score cytoplasm	τ = 0.004 p = 0.961	τ = 0.083 p = 0.359	τ = 0.024 p = 0.818	τ = 0.176 p = 0.056	τ = − 0.007 p = 0.942	τ = 0.119 p = 0.203	τ = − 0.098 p = 0.263
Intensity nuclei	τ = 0.124 p = 0.172	τ = 0.073 p = 0.427	τ = − 0.178 p = 0.092	τ = 0.016 p = 0.865	τ = 0− .065 p = 0.494	τ = − 0.056 p = 0.551	τ = 0.193 p = 0.028
Number pos. nuclei	τ = 0.015 p = 0.868	τ = 0.123p = 0.181	τ = 0.006 p = 0.952	τ = 0.064 p = 0.490	τ = 0.143 p = 0.136	τ = − 0.116 p = 0.220	τ = − 0.006 p = 0.948
Sum score nuclei	τ = 0.087 p = 0.316	τ = 0.124 p = 0.157	τ = − 0.125 p = 0.214	τ = 0.047 p = 0.594	τ = 0.049 p = 0.594	τ = − 0.093 p = 0.299	τ = 0.103 p = 0.223

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

Bold numbers represent significant (p ≤ 0.05) results

τ Kendall’s τ, p p value