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- Title
Five ways to improve international comparisons of cancer survival: lessons learned from ICBP SURVMARK-2.
- Authors
Andersson, Therese M.-L.; Myklebust, Tor Åge; Rutherford, Mark J.; Møller, Bjørn; Arnold, Melina; Soerjomataram, Isabelle; Bray, Freddie; Parkin, D. Maxwell; Lambert, Paul C.
- Abstract
<bold>Background: </bold>Comparisons of population-based cancer survival between countries are important to benchmark the overall effectiveness of cancer management. The International Cancer Benchmarking Partnership (ICBP) Survmark-2 study aims to compare survival in seven high-income countries across eight cancer sites and explore reasons for the observed differences. A critical aspect in ensuring comparability in the reported survival estimates are similarities in practice across cancer registries. While ICBP Survmark-2 has shown these differences are unlikely to explain the observed differences in cancer-specific survival between countries, it is important to keep in mind potential biases linked to registry practice and understand their likely impact.<bold>Methods: </bold>Based on experiences gained within ICBP Survmark-2, we have developed a set of recommendations that seek to optimally harmonise cancer registry datasets to improve future benchmarking exercises.<bold>Results: </bold>Our recommendations stem from considering the impact on cancer survival estimates in five key areas: (1) the completeness of the registry and the availability of registration sources; (2) the inclusion of death certification as a source of identifying cases; (3) the specification of the date of incidence; (4) the approach to handling multiple primary tumours and (5) the quality of linkage of cases to the deaths register.<bold>Conclusion: </bold>These recommendations seek to improve comparability whilst maintaining the opportunity to understand and act upon international variations in outcomes among cancer patients.
- Subjects
ACQUISITION of data; DISEASE incidence; BENCHMARKING (Management); TUMORS
- Publication
British Journal of Cancer, 2022, Vol 126, Issue 8, p1224
- ISSN
0007-0920
- Publication type
journal article
- DOI
10.1038/s41416-022-01701-0