Table 2

Resource use and costs associated with screening kits in the first screening year for a population of 582 218 people invited for screening aged 60 years

Resource useCost (£)
gFOBTFIT 180 µg
Hb/g faeces (base case)
Difference
(FIT – gFOBT)
gFOBTFIT 180 µg Hb/g faeces (base case)Difference
(FIT – gFOBT)
Total number of preinvites sent in first year (excluding repeat kits)582 218582 218-
Number of people returning kit in first year (normal result)311 755365 10853 353-
Number of people returning kit in first year (positive result)55345814280-
Positivity rate (%)1.71.6−0.18-
Number of people not returning kit in first year264 929211 297−53 633-
Total number of kits returned (normal result)*334 200373 76039 560702 8811 987 2391 284 358
Total number of kits returned (positive result)*593259511912 47731 64319 166
Total number of kits sent but not returned*284 003216 304−67 699244 349373 520129 172
Total number of kits used in the first year (total screening cost for cohort) 624 135 596 015 −28 120 959 707 2 392 403 1 432 696
Total screening costs in the first year per 1000 people invited for screening at age 60 years 1648 4109 2461
  • *Includes repeat kits.

  • FIT, faecal immunochemical test; gFOBT, guaiac faecal occult blood test.