2016
DOI: 10.1016/j.ypmed.2016.06.033
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Revised estimates of overdiagnosis from the Canadian National Breast Screening Study

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Cited by 46 publications
(65 citation statements)
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“…The same applies to estimates of overdiagnosis, i.e., contamination of the control group tends to dilute its magnitude 33 . Currently there is already evidence that the lead time with screening is roughly less than four years (generally one year) and that five years after completion of the clinical trials it is already possible to have reliable estimates of the overdiagnosis rate 34,35 . What actually creates important discrepancies in the calculation of overdiagnosis is the denominator used 34 .…”
Section: Implications For the Chosen Methodsmentioning
confidence: 99%
“…The same applies to estimates of overdiagnosis, i.e., contamination of the control group tends to dilute its magnitude 33 . Currently there is already evidence that the lead time with screening is roughly less than four years (generally one year) and that five years after completion of the clinical trials it is already possible to have reliable estimates of the overdiagnosis rate 34,35 . What actually creates important discrepancies in the calculation of overdiagnosis is the denominator used 34 .…”
Section: Implications For the Chosen Methodsmentioning
confidence: 99%
“…This recommendation is conditional, as some *Overdiagnosis by age was estimated using this calculation: The numerator is the difference in numbers of cancers in the mammography arm less those in the control arm; and the denominator is the number of screen-detected cancers in the mammography arm. 39 Only the findings from the estimate on overdiagnosis from a Canadian randomized controlled trial 39 are included because it provided an estimate by age and was appraised as being at moderate risk of bias. 15 Note: FP = false-positive, M = calculated using the moderate baseline risk for this age group.…”
Section: Women Aged 40 To 49 Yearsmentioning
confidence: 99%
“…É sabido que o rastreamento do câncer de mama com mamografia aumenta o diagnóstico de casos de câncer de mama que nunca iriam se manifestar clinicamente (sobrediangóstico) [1][2][3] e que esse aumento de casos diagnosticados também resulta em tratamento oncológico desnecessário (sobretratamento) 4 . Esse aumento de tratamento é contraintuitivo na medida em que se esperava que, com o rastreamento, haveria redução da morbidade.…”
Section: Introductionunclassified