Barriers to screening with fecal occult blood test (FOBT), flexible sigmoidoscopy (Flex sig) and colonoscopy
| Barrier | Screening test, % | ||
|---|---|---|---|
| FOBT | Flex sig | Colonoscopy | |
| Low patient acceptance | 36.8 | 37.8 | 53.9 |
| Patient preparation | 16.1 | 37.3 | 78.8 |
| Cost to health care system | 6.7 | 28.0 | 72.0 |
| Lack of availability | 3.6 | 34.7 | 72.0 |
| Complications | 2.6 | 14.0 | 61.1 |
| Potential to miss cancers | 73.6 | 56.0 | 5.7 |
| False-positive results | 67.4 | 1.0 | 0.5 |
| Long waiting times | 0 | 30.6 | 82.9 |
| Lack of evidence of efficacy | 34.2 | 18.7 | 10.4 |