Cardiac late events in German breast cancer patients: a validation study on the agreement between patient self-reports and information from physicians.

ABSTRACT:

Background

Self-administered health-status questionnaires are important tools in epidemiology. The objective of the presented validation study is to measure the agreement between breast cancer patients' self-reports and their physicians' information on late cardiac events, and to investigate determinants of agreement. To estimate possible misclassification is an important requirement for observational studies on cardiovascular endpoints.

Methods

A retrospective, multi-center cohort study included 11,982 women diagnosed with breast cancer in Germany in 1998-2008. In 2014, a questionnaire survey assessed cardiovascular risk factors and incident cardiac events after therapy. A validation study was conducted, based on a sample of 3091 breast cancer patients from two university h

SUBMITTER: Merzenich H 

PROVIDER: S-EPMC6267788 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature