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Indications for Colonoscopy
| Indication | Percentage of subjects |
|---|---|
| Screening | 63.4 |
| GI bleeding (occult or overt) | 13 |
| Anemia | 9.6 |
| History of polyps or colon cancer | 2.5 |
| Change in bowel habits (includes constipation or diarrhea) | 3.1 |
| Abnormal radiologic results | 1.36 |
| Colitis | 0.73 |
| Abdominal pain | 0.6 |
| Weight loss | 0.43 |
| Abdominal mass | 0.3 |
| Irritable bowel | 0.23 |
| Other diagnostic indications (e.g., tumor marker evaluation, peri-operative evaluation in gynecologic tumors) | 4.95 |
