Table 3.
Confusion matrices of GERD-VGGNet and trainees on the test set.
| Image Type | Conventional | NBI 2 | ||||||
|---|---|---|---|---|---|---|---|---|
| Real LA 1 Classification | A–B | C–D | Normal | A–B | C–D | Normal | ||
| GERD-VGGNet | A–B | 11 | 4 | 2 | 10 | 0 | 2 | |
| C–D | 1 | 6 | 0 | 1 | 10 | 0 | ||
| Normal | 0 | 0 | 8 | 1 | 0 | 8 | ||
| Accuracy | 91.7% | 60% | 80% | 83.3% | 100% | 80% | ||
| Trainee 1 | A–B | 8 | 3 | 2 | 9 | 3 | 2 | |
| C–D | 2 | 7 | 1 | 1 | 7 | 0 | ||
| Normal | 2 | 0 | 7 | 2 | 0 | 8 | ||
| Accuracy | 66.7% | 70% | 70% | 75% | 70% | 80% | ||
| Trainee 2 | A–B | 8 | 2 | 1 | 5 | 3 | 1 | |
| C–D | 3 | 8 | 0 | 5 | 7 | 0 | ||
| Normal | 1 | 0 | 9 | 2 | 0 | 9 | ||
| Accuracy | 66.7% | 80% | 90% | 41.7% | 70% | 90% | ||
1 Los Angeles classification = LA grade. 2 Narrow-band image = NBI.