Table 3.

Distribution of oral premalignant and malignant lesions according to age

Age (years)	OSMF	Leukoplakia	Lichen planus	OSCC	Total, n (%)	P
10-19	2	4	12	-	18 (2.86)	Chi-square analysis showed P=0.001
20-29	36	21	14	8	79 (13.17)
30-39	65	35	21	32	153 (24.28)
40-49	42	21	12	105	180 (28.58)
50-59	28	22	9	76	135 (21.43)
Above 60	12	7	12	34	65 (10.32)
Total	185	110	80	255	630 (100)

OSCC: Oral squamous cell carcinoma, OSMF: Oral submucous fibrosis