Table 1.
Endoscopic MB and Lugol's iodine double staining (n, %)
| Histology | n | Areas stained blue (%) | Areas between both the colors (%) | Areas stained brown (%) |
| Normal epithelium | 53 | 49 (92.5) | 4 (7.5) | 0 |
| Hyperplasia | 21 | 13 (61.9) | 6 (28.6) | 2 (9.5) |
| Dysplasia | 79 | 10 (12.6) | 45 (57.0) | 24 (30.4) |
| Low-grade | 17 | 7 (41.2) | 7 (41.2) | 3 (17.6) |
| Moderate-grade | 21 | 3 (14.3) | 13 (61.9) | 5 (29.4) |
| High-grade | 41 | 0 | 25 (61.0) | 16 (39.0) |
| Carcinoma | 55 | 0 | 9 (16.4) | 46 (83.6) |
| Carcinoma in situ | 1 | 0 | 1 (100) | 0 |
| Squamous cell carcinoma | 51 | 0 | 8 (15.7) | 43 (84.3) |
| Adenocarcinoma | 3 | 0 | 0 | 3 (100) |
| Total | 208 | 72 | 64 | 72 |
χ2 = 170.58, P<0.005.