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Table 3 Rate of improvement in visibility of early gastric cancer with LCI and BLI-BRT according to the characteristics of early gastric cancer in experts’ evaluation of the images
| Factors | Rate of improvement in visibility | |
|---|---|---|
| LCI | BLI-BRT | |
| Infection with Hp | ||
| Positive | 74% (48/65) | 18% (12/65) |
| Negative | 0% (0/0) | 0% (0/0) |
| Eradicated | 71% (12/17) | 24% (4/17) |
| Tumor size, mm | ||
| < 20 | 70% (40/57) | 18% (10/57) |
| ≥ 20 | 80% (20/25) | 24% (6/25) |
| Location of tumor | ||
| Upper | 76% (19/25) | 12% (3/25) |
| Middle | 74% (23/31) | 23% (7/31) |
| Lower | 69% (18/26) | 23% (6/26) |
| Color | ||
| Red | 85% (34/40)a | 28% (11/40) |
| Isochromatic | 45% (10/22)b | 18% (4/22) |
| White | 80% (16/20)c | 5% (1/20) |
| Macroscopic type | ||
| 0-IIa | 69% (18/26) | 19% (5/26) |
| 0-IIc | 75% (42/56) | 20% (11/56) |
| Histological type | ||
| Differentiated | 71% (51/72) | 19% (14/72) |
| Undifferentiated | 90% (9/10) | 20% (2/10) |
| Depth | ||
| Mucosa | 74% (55/74) | 22% (16/74) |
| Submucosa | 63% (5/8) | 0% (0/8) |
