Table 3.

Distribution of positive immunostaining in relation to clinicopathological parameters

Parameter	P
Age	0.05**
Sex	0.751**
Tumor location	0.891*
Tumor size	0.280**
Grade	0.127*
Primary tumor	0.579*
Nodal metastasis	0.696**
Distant metastasis	0.304**
Lymphovascular invasion	0.034**
Margin status	0.431**
Survival	0.612**
Local disease recurrence	0.334**

*Kruskal-Wallis test, **Mann-Whitney test