Prevalence and Distribution of Oral Mucosal Lesions by Sex and Age Categories: A Retrospective Study of Patients Attending Lebanese School of Dentistry

Table 6

Most frequent extraoral and intraoral lesions by age groups.

	Age groups			value
	≤30 years ()	30–60 years ()	>60 years ()
Oral mucosal lesions	36 (58.1)	54 (61.4)	19 (73.1)	0.412^†
Coated tongue	6 (9.7)	19 (21.6)	6 (23.1)	0.123^†
Melanotic macule	8 (12.9)	12 (13.6)	0	0.140^†
Gingivitis	10 (16.1)	6 (6.8)	0	0.032^†
Linea alba	7 (11.3)	4 (4.5)	0	0.125^‡
Tabagic keratosis/leucoderma	3 (4.8)	6 (6.8)	0	0.521^‡
Tongue depapillation	3 (4.8)	2 (2.3)	4 (15.4)	0.055^‡
Extraoral lesions	30 (48.4)	38 (43.2)	13 (50.0)	0.744^†
Lentigo naevus	14 (22.6)	22 (25.0)	10 (38.5)	0.285^†
Cicatrix	9 (14.5)	3 (3.4)	1 (3.8)	0.032^‡
Lymph nodes	1 (1.6)	8 (9.1)	1 (3.8)	0.138^‡
Varicosity	1 (1.6)	4 (4.5)	2 (7.7)	0.262^‡
Acne	4 (6.5)	2 (2.3)	0	0.248^‡
Dry lips	5 (8.1)	1 (1.1)	0	0.066^‡

^†Pearson chi-square test; ^‡Fisher’s exact test.