Rate of over-diagnosis of breast cancer 15 years after end of Malmo mammographic screening trial: follow-up study.

ABSTRACT:

Objective

To evaluate the rate of over-diagnosis of breast cancer 15 years after the end of the Malmö mammographic screening trial.

Design

Follow-up study.

Setting

Malmö, Sweden.

Subjects

42 283 women aged 45-69 years at randomisation.

Interventions

Screening for breast cancer with mammography or not (controls). Screening was offered at the end of the randomisation design to both groups aged 45-54 at randomisation but not to groups aged 55-69 at randomisation.

Main outcome measures

Rate of over-diagnosis of breast cancer (in situ and invasive), calculated as incidence in the invited and control groups, during period of randomised design (period 1), during period after randomised design ended (period 2), and at end of follow-up.

Results

In w

SUBMITTER: Zackrisson S 

PROVIDER: S-EPMC1410836 | biostudies-literature | 2006 Mar

REPOSITORIES: biostudies-literature