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To evaluate quality indicators used in the Dutch breast cancer audit based on predefined criteria.

Comprehensive Evaluation of Quality Indicators: Analyzing the Dutch Breast Cancer Audit

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To evaluate quality indicators used in the Dutch breast cancer audit based on predefined criteria.
Utilized data from the Dutch breast cancer registry (NABON Breast Cancer Audit) for surgically treated patients (2021-2023).
Evaluated eighteen quality indicators (QIs) across criteria: feasibility, discriminative ability, validity, and reliability.
Feasibility assessed by QI numerator completeness, discriminative ability by hospital score variation, validity by case-mix adjustment impact, and reliability by rankability.
Fifteen out of eighteen QIs were found feasible with completeness ranging from 80.2%-100%.
Eight QIs demonstrated good discriminative ability with an interquartile range (IQR) higher than 10%.
Only six QIs met at least three out of the four evaluation criteria, indicating overall concerns regarding their reliability.

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Analysis reveals reliability and validity issues in quality indicators used for breast cancer treatment benchmarking.

NBCA Consortium (2025) studied this question.

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