Table 1.

Modified Ottawa bowel preparation scale

Score	Definition
1-excellent	Small volume of clear liquid or great than 95% of the colonic mucosal surface seen
2-good	Large volume of clear liquid covering 5%-25% of the surface, but greater than 90% of surface seen
3-fair	Some semisolid stool that could be suctioned or washed away, but great than 90% of surface seen
4-poor	Semisolid stool that could not be suctioned or washed away but great than 90% of the surface seen
5-inadequate	Solid stool obscuring mucosal detail and contour despite aggressive washing and suctioning; repeat preparation and colonoscopy needed

Bowel cleansing score ranging from excellent to inadequate and description of each score.