Table 1.
Demographic data, stool test results and endoscopic findings in the hospital-based deviation cohort
| Characteristics | Population, n=3172 |
|---|---|
| Male gender (%) | 1919 (60.5) |
| Age in years (SD; range) | 53.0 (11.7; 19.0–91.8) |
| Positive stool test results (%) | |
| Guaiac-based faecal occult blood test | 397 (12.5) |
| Helicobacter pylori stool antigen test | 789 (24.9) |
| Faecal immunochemical test | 133 (4.2) |
| Important lesions in the upper gastrointestinal tract (%) | 523 (16.5) |
| Categories | |
| Pharyngeal or oesophageal carcinoma | 37 (1.2) |
| Erosive oesophagitis, grade C or D | 46 (1.5) |
| Barrett's oesophagus | 8 (0.3) |
| Oesophageal varices, form II or III | 5 (0.2) |
| Gastric carcinoma | 41 (1.2) |
| Peptic ulcers | 365 (11.5) |
| Gastric antral vascular ectasia | 9 (0.3) |
| Anatomic sites | |
| Pharynx or oesophagus | 96 (3.0) |
| Stomach or duodenum | 439 (13.8) |
| Important lesions in the lower gastrointestinal tract (%) | 174 (5.5) |
| Categories | |
| Colorectal carcinoma | 39 (1.2) |
| Advanced adenoma | 106 (3.3) |
| Colitis or ulcer | 25 (0.8) |
| Angiodysplasia | 4 (0.1) |
| Anatomic sites* | |
| Proximal colon | 98 (3.1) |
| Distal colon | 76 (2.4) |
*Proximal colon was defined as the level above splenic flexure (including splenic flexure). When synchronous colon lesions were found, the anatomic site of the most important one was used to define the location.