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Table 1 Clinicopathological features of patients

From: Oral lichen planus and other confounding factors in narrow band imaging (NBI) during routine inspection of oral cavity for early detection of oral squamous cell carcinoma: a retrospective pilot study

Characteristics

Case no. (%)

Gender

 Male

58 (59.1)

 Female

40 (40.9)

 Total

98 (100.0)

Age in years (mean ± standard deviation)

61 ± 13.7

Smoking

 Yes

38 (38.7)

 No

43 (43.8)

 Ex-smoker

17 (17.5)

Presence of removable dentures

 Yes

53 (54.0)

 No

45 (46.0)

Anamnesis of radiotherapy

 Yes

5 (5.1)

 No

93 (94.9)

Anamnesis of OSCC

 Yes

26 (24.5)

 No

80 (75.5)

Type of epithelium

 Tongue epithelium

30 (28.3)

 Specialized epithelium

0(0)

 Masticatory epithelium

25 (23.6)

 Lining epithelium

51 (48.1)

Topographic location of lesions

 Tongue

30 (28.4)

 Buccal Mucosa

47 (44.3)

 Hard Palate

11 (10.4)

 Soft Palate

3 (2.8)

 Gum

10 (9.4)

 Floor of mouth

5 (4.7)

 Total

106 (100.0)

IPCL pattern by NBI

 Pattern I

18 (16.9)

 Pattern II

40 (37.7)

 Pattern III

24 (22.7)

 Pattern IV

24 (22.7)

Diagnoses

 OSCC/Cis

19 (17.9)

 HGD

4 (3.8)

 PVL

3 (2.8)

 LGD

20 (18.9)

 OLP

30 (28.3)

 FK

30 (28.3)

  1. OSCC/Cis oral squamous cell carcinoma/ carcinoma in situ, HGD high grade dysplasia, PVL proliferative verrucous leukoplakia, LGD low grade dysplasia, OLP oral lichen planus, FK frictional keratosis