Table 1 Comparison of image quality among three endoscopic modalities
item | mode | Score of image quality | total score | |||
|---|---|---|---|---|---|---|
| Â | Â | 1 | 2 | 3 | 4 | Â |
| Â | conventional endoscopy | 26 | 33 | 63 | 0 | 281 |
morphology | magnifying NBI | 0 | 0 | 12 | 110 | 476 |
| Â | magnifying chromoendoscopy | 8 | 19 | 45 | 50 | 381 |
| Â | conventional endoscopy | 26 | 62 | 34 | 0 | 190 |
pit pattern | magnifying NBI | 0 | 0 | 25 | 97 | 463 |
| Â | magnifying chromoendoscopy | 0 | 0 | 40 | 82 | 448 |
| Â | conventional endoscopy | 40 | 59 | 23 | 0 | 227 |
blood capillary form | magnifying NBI | 0 | 0 | 37 | 85 | 451 |
| Â | magnifying chromoendoscopy | 38 | 57 | 27 | 0 | 233 |