Published lead time estimates in breast cancer screening vary from 1 to 7 years and the percentages of overdiagnosis vary from 0 to 75%. The differences are usually explained as random variations. We study how much can be explained by using different definitions and methods.
B J C, 2013, Vol 109, Issue 7, p. 2014-2019
Journal Article; Aged; Breast Neoplasms; Diagnostic Errors; Early Detection of Cancer; Female; Humans; Incidence; Mammography; Mass Screening; Middle Aged