Journal of Medical Screening >
Volume 15, Number 4 >
Pp. 175-181
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Original Articles |
Objectives To evaluate the direct costs of first and repeat colorectal cancer screening by immunochemical faecal occult blood testing (I-FOBT).
Methods Florence district residents aged 50–70 were invited to undergo one-time I-FOBT every two years. Full colonoscopy was recommended for FOBT-positive subjects. Direct cost analysis was carried out separately for the first and repeat screening. All relevant resources consumed by the programme were calculated.
Results Among 25,428 or 62,369 subjects invited to the first or repeat screening, respectively, the corresponding participation rate was 47.8% or 52.3%, and the positivity rate was 4.4% and 3.3%. Corresponding detection rates and positive predictive values for cancer and advanced adenoma were 11.3% or 8.9% and 32.4% or 32.8%, respectively. The assessment phase accounted for the major cost, as compared with recruitment and screening. All cost indicators were slightly higher in the first screening compared with repeat screening. Cost per cancer and advanced adenoma detected was similar in the first or repeat screening. A higher than observed participation rate would have substantially reduced screening cost.
Conclusion Analysis of I-FOBT-organized population-based screening cost demonstrates lower cost at repeat compared with first screening and provides reference for decision-making in screening implementation.
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