Deep learning approach to detection of colonoscopic information from unstructured reports

Table 4 Items of the colonoscopy report and assigned labels for annotation

Items	Labels ^a
1. Patient information
1.1 Brief history (disease, family, etc.)
1.2 Indication/reason for endoscopy
2. Procedures
2.1 Sedation and other drugs
2.1.1 Sedation	SEDATION
2.1.1.1 Level of sedation	SEDATIONLEVEL
2.1.1.2 Medication	MEDICATION
2.1.1.3 Dosage	DOSAGE
2.1.2 Antispasmodics	ANTISPASMODICS
2.2 Equipment (endoscope) used	DEVICE
2.2.1 Extent of examination	EXTENT
2.3 Quality of cleansing/visualization	PREPARATION
2.4 Procedural time
2.4.1 Time-to-cecum
2.4.2 Withdrawal time
2.5 Digital rectal examination	DRE
3. Colonoscopic findings
3.1 Lesions and their attributes
3.1.1 Lesion	LESION, NEGATION ^b
3.1.2 Anatomical site	LOCATION
3.1.3 Shape	SHAPE
3.1.4 Color	COLOR
3.1.5 Size	SIZE
3.1.6 Number	NUMBER
3.2 Sampling (type of sample)	BIOPSY
3.3 Adverse intraprocedural events
4. Conclusion

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