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Table 4 Life years gained per 1000 individuals screened compared to no screening by risk factor cohort and screening regimen: Mean predictions are shown with 95% prediction intervals

From: Evaluating risk factor assumptions: a simulation-based approach

 

Age at initiation (years)

 
 

50

45

Difference*

Risk Factors:

   

None

128 (108, 155)

146 (122, 181)

18 (14, 26)

100% more adenomas

248 (210, 298)

281 (236, 346)

33 (25, 48)

30% faster adenoma growth

236 (198, 272)

276 (230, 322)

41 (21, 51)

Preclinical transition sizes as if 30% larger

232 (198, 267)

271 (229, 317)

39 (31, 50)

  1. * Estimated difference in life years gained per 1000 individuals with screening initiated at age 45 versus initiation at age 50 years.