Table 5: Showing staining intensity score in Group 2 (Oral Squamous Cell Carcinoma) after immunohistochemical staining with SMAD-4.

Staining Intensity Score

No. of Cases

(n = 20)

Score 1

(negative staining)

Count

17

% within group

85%

Score 2

(weak staining)

Count

03

% within group

15%

Score 3

(moderate staining)

Count

00

% within group

00%

Score 4

(strong staining)

Count

00

% within group

0.0%

Total

Count

20

% within group

100.0%