Table 3.

Chi square test for comparison of PTEN scores in the various study groups

Groups of cases	Total cases	PTEN scores			p Value
		0	1	2
NOM	10	0	1	9	0.002(S)
OSMF	30	6	16	8
NOM	10	0	1	9	0.000(S)
OSCC	30	15	8	7
OSMF	30	6	16	8	0.037(S)
OSCC	30	15	8	7
Early OSMF	15	2	7	6	0.232(NS)
Advanced OSMF	15	4	9	2

PTEN phospatase tensin homologue deleted on chromosome 10, NOM normal oral mucosa, OSMF oral submucous fibrosis, OSCC oral squamous cell carcinoma, S significant, NS non-significant