Immunohistochemical Expression of Mast Cells Using c-Kit in Various Grades of Oral Submucous Fibrosis

Table 1

Correlation of mast cell density using toluidine blue and c-kit between control and various stages of OSF.

Stages of OSF and control	Toluidine blue				C-kit
	Mean mast cell density	Mann-Whitney 𝑈 statistics	𝑃 value	Significance	Mean mast cell density	Mann-Whitney 𝑈 statistics	𝑃 value	Significance
Control	2.18	—	—	—	4.26	—	—	—
Stage 2	5.10	5.50	0.040	Significant	9.55	5.00	0.034	Significant
Stage 3	3.09	64.00	0.28	Nonsignificant	9.08	15.50	0.00	Significant
Stage 4	2.64	31.50	0.26	Nonsignificant	8.24	13.50	0.01	Significant