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Table 3 Statistical analysis of pathology, and NBI in detecting high-grade dysplasia, carcinoma in situ, and invasive carcinoma of oral erythroplakia (n = 72)

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

  Non-HGD/Tis/CAa HGD/Tis/CA Odds ratio (CI 95 %)
Criteria I: Appearance of brownish spots and demarcation line with irregular microvascular patterns p < 0.001*
 No 17 17 1.00
 Yes 34 4 0.12 (0.03–0.40)
Criteria II: Appearance of well-demarcated brownish area with thick dark spots and/or winding vessels p < 0.001**
 No 6 3 1.00
 Yes 45 18 0.80 (0.18–3.55)
Criteria III: Elongation, twist, and meandering destruction of IPCL pattern -
 No 40 4 1.00
 Yes 11 17 15.46 (3.81–72.84)
  1. Abbreviation: CI confidence interval
  2. *Comparison between criteria I and criteria III
  3. **Comparison between criteria II and criteria III
  4. aNon-HGD/Tis/CA includes squamous hyperplasia, low-grade dysplasia and intermediate-grade dysplasia histopathologically