Table 1.

Subgroup subdivision according to the Modified Aronchick scale¹⁴ classification.

Rating	Study Subgroup	Description
Excellent	Optimal	Small amount of clear liquid with clear mucosa seen; more than 95% mucosa seen
Good	Optimal	Small amount of turbid fluid without feces not interfering with examination; more than 90% mucosa seen
Fair–adequate	Adequate	Moderate amount of stool that can be cleared with suctioning permitting adequate evaluation of entire colonic mucosa; more than 90% mucosa seen
Inadequate	Poor	Inadequate but examination completed; enough feces or turbid fluid to prevent a reliable examination; less than 90% mucosa seen
Poor	Poor	Re-preparation required; large amount of fecal residue precludes a complete examination