Table 3

Long-term follow-up results of the ERSPC trial

Follow-up period (years)Reduction in cancer specific mortality (%)Numbers needed to invite (NNI) to prevent one cancer deathNumbers needed to diagnose (NND) to prevent one cancer death
921141048
132778127
1625%
(at least one screening round attended)
48%
(at least two screening rounds attended)
57018
  • ERSPC, European Randomised Study for Screening of Prostate Cancer.