Serum and salivary levels of lactate dehydrogenase in oral squamous cell carcinoma, oral lichen planus and oral lichenoid reaction

Table 1 Age and gender of participants in the four study groups

	Healthy individuals	OLP	OLRs	OSCC	P value
Age (years)	42.73 ± 2.378	49.73 ± 3.194	52.73 ± 2.784*	61.00 ± 3.225*^#	0.000
Gender (M/F)	8/17	8/17	8/17	10/15	0.9

*^{, #, $}A significant difference with the healthy control, OLP and OLR groups at P < 0.05, respectively

ISSN: 1472-6831