För tidigt att rekommendera allmän screening för kolorektal cancer
Randomised controlled trials have shown that screening may significantly reduce mortality in coloretcal cancer. In the present evaluation it is shown that the reported reduction of 15 per cent, or higher, is given in relative figures. With absolute figures the reduction is only 0.15 per cent or lower. The number of individuals needed to invite for screening (NNT) biannually for 10 years to prevent
