Table 4.
Diagnostic performance of SSD for different histological grades of esophageal neoplasm.
| Diagnostic Performance | Sensitivity (%) | PPV (%) | F1-Score (%) |
|---|---|---|---|
| Comprehensive | |||
| Low-grade dysplasia | 83.4 | 92.8 | 88.1 |
| High-grade dysplasia | 87.2 | 95.8 | 91.3 |
| Cancer (SCC) | 98.9 | 89.3 | 93.9 |
| WLI | |||
| Low-grade dysplasia | 73.3 | 91.7 | 81.5 |
| High-grade dysplasia | 85.7 | 93.8 | 89.6 |
| Cancer (SCC) | 97.5 | 84.8 | 90.7 |
| NBI | |||
| Low-grade dysplasia | 93.8 | 93.8 | 93.8 |
| High-grade dysplasia | 88.4 | 97.4 | 92.7 |
| Cancer (SCC) | 100.0 | 93.0 | 96.4 |
Abbreviations: SSD, single-shot multibox detector; WLI, white-light image; NBI, narrow-band image; PPV, positive predictive value; SCC, squamous cell carcinoma.