Low expression of angiotensinogen and dipeptidyl peptidase 1 in saliva of patients with proliferative verrucous leukoplakia

Table 1 Demographic aspects of 30 patients (15 control and 15 proliferative verrucous leukoplakia) with salivary proteome profile assessed by LC-MS/MS

	Control		Proliferative verrucous leukoplakia
	n	%	n	%
Age (yr)
50-59	5	33.33	4	26.66
60-69	3	20	3	20
70-79	7	46.66	7	46.66
> 80	0	0	1	6.66
Gender
Female	15	100	15	100
Male	0	0	0	0
Risk factor
Tobacco	0	0	0	0
Alcohol	0	0	0	0