Cost-effectiveness of population-based screening for colorectal cancer: a comparison of guaiac-based faecal occult blood testing, faecal immunochemical testing and flexible sigmoidoscopy.

Discussion The key issues in deciding whether to introduce a new screening programme include whether: (1) screening represents a cost-effective intervention (i.e., the health gains are likely to be significant compared with the costs involved); (2) uptake is likely to be sufficiently high for screening to be effective; and (3) implementation is feasible (i.e., sufficient health service resources are available to diagnose, treat and follow-up those found to have adenomas and cancer).

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