Percentage of studies with adequate bowel cleansing level by colon segment
| Colon segment | Capsule study % Adequate (95% CI) | Colonoscopy % Adequate (95% CI) |
|---|---|---|
| Overall assessment | 61% (46% to 75%) | 86% (73% to 94%) |
| Rectum | 43% (31% to 67%) | 92% (81% to 98%) |
| Descending colon | 83% (67% to 93%) | 86% (73% to 94%) |
| Transverse colon | 59% (42% to 74%) | 82% (69% to 91%) |
| Ascending colon | 61% (46% to 75%) | 88% (75% to 95%) |
| Caecum | 63% (47% to 76%) | 88% (75% to 95%) |
The bowel cleansing level was assessed by the gastroenterologist performing the capsule study or colonoscopy; a preparation grading of excellent or good was considered ‘adequate’. At colonoscopy, the grading was performed after washings, if used.