Toward a definition of colonic inertia

Table 1 Rome II Criteria for constipation[4]

Two or more of the following for at least 12 wk (not necessarily consecutive) in the preceding 12 mo:

- Straining during > 25% of bowel movements;

- Lumpy or hard stools for > 25% of bowel movements;

- Sensation of incomplete evacuation for > 25% of bowel movements;

- Sensation of anorectal blockage for > 25% of bowel movements;

- Manual maneuvers (digital evacuation, support of the pelvic floor) to facilitate > 25% of bowel movements;

- Less than 3 bowel movements per week;

Loose stools are not present, and there are insufficient criteria for irritable bowel syndrome