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Table 1 Criteria for an informed screening choice and their consideration in brochure A ('new’) and B ('old’)

From: Effects of different information brochures on women’s decision-making regarding mammography screening: study protocol for a randomized controlled questionnaire study

Criteria

Brochure A

Brochure B

1. Rate of pathological result of screening

Y

Ya

2. Benefit of mammography screening

Y

Y

3. Reduction of mortality by screening

Ya

N

4. Absolute/relative risk reduction

N

N

5. Reduction of total mortality

N

N

6. Sensitivity of screening

Y

Y

7. Specificity of screening

Y

N

8. How many women have to be screened to save one from dying of breast cancer (NNSb)

Ya

N

9. Recommendation to self-checking the breast (BSEc)

Nd

Yd

10. Overdiagnosis - early cancer (How many DCISe are discovered that would never have any clinical relevance?)

Ya

N

11. Rate of false positive results

Ya

N

12. Increase of operation and radiation of women who do not benefit

Y

N

13. Interval cancer

Y

Y

14. Earlier diagnosis without delay of death

Y

N

15. Potential side effects of x-ray

N

Y

  1. aIncludes specification of figures.
  2. bNNS: number needed to screen.
  3. cBSE: breast self examination.
  4. dStudies have shown that BSE has no effect on the mortality of breast cancer, therefore a positive recommendation must be judged negatively with view to an informed choice.
  5. eDCIS: ductal carcinoma in situ.