β=0.3 β=0.5
  κ=2.3 ρ=0.698
Δa image 1-P0 ELc Medd image 1-P0 ELc Medd
Initial Screening Age t0=40
1 Year 51.81 48.19 4.57 3 31.44 68.56 3.96 3.2
2 Years 82.37 17.63 0.76 1.8 61.49 38.51 0.88 2.4
Initial Screening Age t0=50
1 Year 51.49 48.51 4.92 2.1 31.51 68.49 4.49 2.1
2 Years 80.28 19.72 1.1 1.4 60.28 39.72 1.29 1.7
Initial Screening Age t0=60
1 Year 51.33 48.67 4.11 1.9 31.84 68.16 3.99 1.9
2 Years 77.88 22.12 1.23 1.4 58.98 41.02 1.45 1.6
aTime between screenings (ti–ti-1)
bP0=P(L=0|D=1)=Probability of no early detection (%)
cThe mean lead time is in years
dThe median when L>0 (for non-interval cases)
Table 3: A projection of the lead time distribution for men when mean sojourn time=2 years.