Table 2. Serum levels of NF-κB mediators in leukoplakia, lichen, submucous fibrosis patients and healthy controls.

		TNF-α	IL-6	IL-8
Control		1.31±0.40	5.13±2.11	13.45±2.71
Benign hyperkeratosis	Leukoplakia	1.18±0.30	11.02±3.79	16.77±6.03
	Lichen-planus	2.19±0.88	12.95±1.67	22.16±4.54
	Submucous fibrosis	-	-	-
Mild dysplasia	Leukoplakia	2.22±0.44	13.38±4.16	19.49±6.82
	Lichen-planus	3.20±0.79	17.10±4.78	23.05±7.48
	Submucous fibrosis	4.12±0.66	17.76±3.63	26.35±5.82
Moderate dysplasia	Leukoplakia	3.22±0.53	16.15±5.18	20.22±6.06
	Lichen-planus	3.74±0.82	17.01±4.05	21.96±6.11
	Submucous fibrosis	5.18±0.46	18.90±4.91	24.42±6.33
Severe dysplasia	Leukoplakia	3.94±0.34	16.07±3.63	20.05±7.05
	Lichen-planus	4.87±0.80	18.79±4.02	23.00±5.90
	Submucous fibrosis	6.27±0.53	21.70±4.04	28.25±6.47

(NF-κB: nuclear factor-κB, TNF-α: tumor necrosis factor alpha, IL: interleukin)

All data except 'Control' are P<0.05 as compared to control.

Values are presented as mean±standard deviation.