Table 2.

Mean LI in different groups.

	N	Mean	Std. deviation	Minimum	Maximum
Dysplasia	15	63.87	11.62	38.2	76.8
SCC	14	69.76	11.92	51.5	92.6
OSMF	10	57.37	8.28	41.2	66.3
Normal	4	33.75	12.95	21.5	50.8
Total	43	61.47	14.76	21.5	92.6