Publications by authors named "Marianne L Gjerstorff"

In Europe, health and medical administrative data is increasingly accumulating on a national level. Looking further than re-use of this data on a national level, sharing health and medical administrative data would enable large-scale analyses and European-level public health projects. There is currently no research infrastructure for this type of sharing.

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Background: Large international differences in colorectal cancer survival exist, even between countries with similar healthcare. We investigate the extent to which stage at diagnosis explains these differences.

Methods: Data from population-based cancer registries in Australia, Canada, Denmark, Norway, Sweden and the UK were analysed for 313 852 patients diagnosed with colon or rectal cancer during 2000-2007.

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Background: The authors consider whether differences in stage at diagnosis could explain the variation in lung cancer survival between six developed countries in 2004-2007.

Methods: Routinely collected population-based data were obtained on all adults (15-99 years) diagnosed with lung cancer in 2004-2007 and registered in regional and national cancer registries in Australia, Canada, Denmark, Norway, Sweden and the UK. Stage data for 57 352 patients were consolidated from various classification systems.

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Article Synopsis
  • The study examines how the stage at which ovarian cancer is diagnosed affects survival rates across different countries, including Australia, Canada, Denmark, Norway, and the UK.
  • Data from over 20,000 women diagnosed between 2004-07 reveal that survival rates vary, with the UK having the lowest one-year survival at 69%, particularly for those diagnosed at advanced stages (III-IV).
  • The findings suggest that differences in how cancer is staged, potential delays in diagnosis, and inequalities in treatment access contribute to these survival disparities, highlighting the need for improved consistency in cancer registry data globally.
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Introduction: The Danish Cancer Registry was founded in 1942.

Content: The Cancer Registry contains data on the incidence of cancer in the Danish population since 1943.

Validity And Coverage: Validity of the Cancer Registry is secured by the application of manual quality control routines in the daily production of the Cancer Registry, the application of the automated cancer logic, and the use of multiple notifications from different data sources, which also secures a high degree of completeness.

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Unlabelled: The NORDCAN database and program ( www.ancr.nu ) include detailed information and results on cancer incidence, mortality and prevalence in each of the Nordic countries over five decades and has lately been supplemented with predictions of cancer incidence and mortality; future extensions include the incorporation of cancer survival estimates.

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