Table 1.

Colon cleanliness was recorded using the Clinical Outcomes Research Initiative (CORI) drop box

Excellent	No more than small bits of adherent fecal material
Good	Small amounts of feces or fluid not interfering with the examination
Fair-adequate	Between good and fair-compromised
Fair-compromised	Enough feces or fluid to prevent a completely reliable examination
Poor	Large amounts of fecal residue with additional cleansing required