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. 2021 Jun 14;11:671880. doi: 10.3389/fonc.2021.671880

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.