Colon capsule endoscopy: Current status and future directions

Table 3 Four-point grading scale for objective description of the level of cleanliness of the colon during colon capsule endoscopy[41]

Cleansing level scale	Description	Categories
Poor	Inadequate; Large amount of fecal residue precludes a complete examination	Inadequate Quality of the investigation is significantly compromised
Fair	Inadequate but examination completed
	Enough feces or turbid fluid to prevent
	a reliable examination
Good	Adequate	AdequateQuality of the investigation is not significantly compromised
	Small amount of feces or turbid fluid not interfering with examination
Excellent	Adequate
	No more than small bits of adherent feces