Table 1.

Distribution of lesions by definitive diagnosis and patients by gender, age, skin color, and risk factors (alcohol and tobacco use).

Variable	[n]	[%]
Diagnosis	Oral squamous cell carcinoma	30	38,96
	Leukoplakia	47	61,04
	Total	77	100
Gender	Female	30	43,47
	Male	39	56,53
	Total	69	100
Age group	< 40	2	2,9
	41 – 60	30	43,47
	> 60	37	53,63
	Total	69	100
Skin color	Brown	6	8,7
	Black	9	13,05
	White	24	34,78
	Not informed	30	43,47
	Total	69	100
Tobacco use	Yes	19	27,53
	Former	4	5,8
	No	11	15,95
	Not informed	35	50,72
	Total	69	100
Alcohol consumption	Yes	9	13,05
	Former	8	11,6
	No	17	24,63
	Not informed	35	50,72
	Total	69	100