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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Oncol Rev. 2011 Sep 1;5(3):143–147. doi: 10.1007/s12156-011-0077-0

Table 2.

The projected probability of true-early-detection and over-diagnosis for screen-detected cases

Initial Age 40 Initial age 50 Initial age 60
Screening interval P(True-ED) P(Over-D) P(True-ED) P(Over-D) P(True-ED) P(Over-D)
12 mo. 95.47% 4.53% 94.84% 5.16% 93.43% 6.57%
24 mo. 95.12% 4.88% 94.50% 5.50% 93.10% 6.90%

Source: Wu, D and Rosner, G.L. A projection of true-early-detection, no-early-detection, over-diagnosis and not-so-necessary probabilities in tumor screening. Proceedings of the American Statistical Association,2010. Biopharmaceutical Section, Alexandria, VA: American Statistical Association. 1144–1157.