Table 3.
Overview of the CLE image classification.
| Parameter | Absolute (N) | Relative (%) |
|---|---|---|
| All | 2,565 | 100 |
| Artefact classification | ||
| No artefacts | 1,679 | 65.4 |
| Minimal artefacts | 566 | 22 |
| Severe artefacts* | 320 | 12.6 |
| Annotated histology to images without/only minimal artefacts | 2,245 | 100 |
| Squamous cell carcinoma | 1,324 | 58.9 |
| Chronic inflammation | 457 | 20.3 |
| Dysplasia-free normal tissue | 464 | 20.8 |
| Mean ± SD | Median, range | |
| CLE images per patient | 197 ± 181 | 178, 23–678 |
| CLE images per biopsy | 82.7 ± 47.1 | 68, 23–178 |
*Not allowing an evaluation of the image.