Appropriateness of indication and diagnostic yield of colonoscopy: First report based on the 2000 guidelines of the American Society for Gastrointestinal Endoscopy

Table 4 Indications for colonoscopy among 119 patients referred for reasons not listed in the 2000 ASGE guidelines¹

Indication	n (%)
1 Constipation	71 (9.6)
2 Unexplained weight loss	14 (1.9)
3 Normochromic anemia	7 (1.0)
4 Perianal abscess or fistula	6 (0.8)
5 Abdominal mass of unknown origin	4 (0.5)
6 Periodic follow up of healed benign lesions	4 (0.5)
7 Surveillance after resection of colonic polyps or cancer, at different intervals from those recommended	3(0.4)
8 Intestinal obstruction	2 (0.3)
9 Routine examination of the colon in patients with no colon-related signs or symptoms about to have elective abdominal surgery for non-colonic disease	2 (0.3)
10 Others	6 (0.8)

¹According to 2000 American Society for Gastrointestinal Endoscopy (ASGE) guidelines on appropriate use of gastrointestinal endoscopy[9].