Read this paper from the Scottish Bowel Screening Programme on the transition from guaiac based Faecal Occult Blood tests (gFOBT) to faecal immunochemical testing (FIT) in the Screening population.
The authors conclude; “Transition to FIT from FOBT produced higher uptake and positivity with lower PPV for CRC and higher PPV for adenoma”.
Read the paper from Clark, G. et al. (2020) Gut here
