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Table 1 Clinicopathological characteristics of patients with oral erythroplakia (n = 72)

From: Clinical characteristics of narrow-band imaging of oral erythroplakia and its correlation with pathology

Characteristics Case no. (percent)
Gender  
 Female 6 (8.3 %)
 Male 66 (91.7)
Age (years)  
 54.6 ± 11.2  
Topographic location  
 Lip 2 (2.8 %)
 Buccal 55 (76.4 %)
 Gum 1 (1.4 %)
 Tongue 6 (8.3 %)
 Palate 2 (2.8 %)
 Floor of the mouth 2 (2.8 %)
 Retromolar 4 (5.5 %)
Alcohol drinking  
 No 29 (40.3 %)
 Ex-drinker 23 (31.9 %)
 Yes 20 (27.8 %)
Cigarette smoking  
 No 14 (19.4 %)
 Ex-smoker 19 (26.4 %)
 Yes 39 (54.2 %)
Betel quid chewing  
 No 21 (29.2 %)
 Ex-chewer 36 (50.0 %)
 Yes 15 (20.8 %)
History of oral cancer  
 No 45 (62.5 %)
 Yes 27 (37.5 %)
Intraepithelial microvasculature pattern by NBI  
 IPCL type I (regularly distributed arborescent pattern of IPCL) 6 (8.3 %)
 IPCL type II (tortuous and dilated pattern of IPCL) 38 (52.8 %)
 IPCL type III (twisted and elongated pattern of IPCL) 25 (34.7 %)
 IPCL type IV (angiogenesis and destructive pattern of IPCL) 3 (4.2 %)
Pathological diagnosis  
 Squamous hyperplasia 12 (16.7 %)
 Low-grade dysplasia 22 (30.6 %)
 Intermediate-grade of dysplasia 17 (23.6 %)
 High-grade of dysplasia/carcinoma in situ 17 (23.6 %)
 Squamous cell carcinoma 4 (5.5 %)
  1. Abbreviation: NBI narrow-band imaging, IPCL intraepithelial papillary capillary loop