Table 3.

Comparison of interpretation of staining index between among the three groups

Groups	IHC staining index
	Absent	Low	Moderate	High	Total	Chi square value	p value
Group I Normal Mucosa	24(80%)	6(20%)	0	0	30	128.155	0.000**
Group II OSCC w/o metastasis	0	15(50%)	13(43.3%)	2(6.67%)	30
Group III OSCC with metastasis	0	1(3.33%)	2(6.66%)	27(90%)	30
Total	24(26.6%)	22(24.4%)	15(16.6%)	29(32.2%)	90

Bold values represent total number of patients for ease of interpretation by the readers