Serrated polyposis syndrome prevalence in population-based screening by modality (adapted from East et al68)
| Author | Screening modality | n/pop | % (95% CI) | Ratio |
|---|---|---|---|---|
| Lockett | Flexible sigmoidoscopy | 12/40 674 | 0.029% (0.02 to 0.05) | 1:3000 |
| Orlowska | Colonoscopy | 28/50 148 | 0.056% (0.04 to 0.09) | 1:1791 |
| Kahi | Colonoscopy | 3/6681 | 0.04% (0.01 to 0.014) | 1:2227 |
| Biswas | FOBT (guaiac) | 5/755 | 0.66% (0.24 to 1.52) | 1:151 |
| Moreira | FOBT (FIT) | 8/2355 | 0.34% (0.17 to 0.67) | 1:294 |
FOBT, faecal occult blood test; FIT, faecal immunochemical test.