Table 1: Showing staining quantity score in Group 2 (Oral Squamous Cell Carcinoma) after immunohistochemical staining with SMAD-4.

Table 8: Showing staining quantity score in Group 2 (Oral Squamous Cell Carcinoma) after immunohistochemical staining with SMAD-4.

Staining Quantity Score		No. of Cases (n)
Score 0 (no positive cells)	Count	15
Score 0 (no positive cells)	% within group	75%
Score 1 (< 5% of positive cells)	Count	03
Score 1 (< 5% of positive cells)	% within group	15%
Score 2 (6-35% positive cells)	Count	02
Score 2 (6-35% positive cells)	% within group	10%
Score 3 (36-70% positive cells)	Count	00
Score 3 (36-70% positive cells)	% within group	0.0%
Score 4 (> 70% positive cells)	Count	00
Score 4 (> 70% positive cells)	% within group	0.0%
Total	Count	20
Total	% within group	100.0%