Model of outcomes of screening mammography: information to support informed choices.

ABSTRACT:

Objective

To provide easy to use estimates of the benefits and harms of biennial screening mammography for women aged 40, 50, 60, and 70 years.

Design

Markov process model, with data from BreastScreen Australia, the Australian Institute of Health and Welfare, and the Australian Bureau of Statistics.

Main outcome measure

Age specific outcomes expressed per 1000 women over 10 years.

Results

For every 1000 women screened over 10 years, 167-251 (depending on age) receive an abnormal result; 56-64 of these women undergo at least one biopsy, 9-26 have an invasive cancer detected by screening, and 3-6 have ductal carcinoma in situ (DCIS) detected by screening. More breast cancers (both invasive and DCIS) are diagnosed among screened than unscreened women. For example,

SUBMITTER: Barratt A 

PROVIDER: S-EPMC556337 | biostudies-literature | 2005 Apr

REPOSITORIES: biostudies-literature