Colonoscopic yield of colorectal neoplasia in daily clinical practice

Table 1 Indication cluster definition

Indication cluster (n; %)	Consists of the following indications
G-I bleeding (696; 15)	Hematochezia and/or melena
Anemia (356; 8)	Any kind of anemia
CRC suspicion (204; 4)	Clinical and/or radiological suspicion CRC
Weight loss (101; 2)	Weight loss
Family history CRC1 (447; 10)	Any family history of CRC or screening
IBS (969; 21)	Abdominal pain, change in bowel habits, bloating, diarrhea, constipation
IBD exacerbation (256; 6)	Clinical suspicion IBD and/or endoscopic evaluation of IBD exacerbation
CRC surveillance (454; 10)	Follow up after CRC
Polyp surveillance (583; 13)	Follow up after polypectomy
IBD surveillance (142; 3)	Surveillance for dysplasia in IBD
FAP/HNPCC surveillance (84; 2)	Screening and/or surveillance in FAP/HNPCC families
Other/non-specified (331; 7)	No indication mentioned, ileus and desufflation therapy, fecal incontinence, monitoring diverticulitis after treatment, tenesmus, endoscopic treatment radiation enteritis

¹Known hereditary CRC syndromes like HNPCC, FAP or MYH-polyposis are excluded. Note 1: The number of patients included in both study objectives was 4623 patients; Note 2: Within the indication cluster, the numbers and percentages of patients are placed between brackets.