Validation of the completeness and accuracy of the Northern Ireland Cancer Registry

Cancer Epidemiology
T M KearneyA T Gavin

Abstract

It has been suggested that inaccuracies in cancer registries are distorting UK survival statistics. This study compared the Northern Ireland Cancer Registry (NICR) database of living patients, with independent data held by Northern Ireland's General Practitioners (GPs) to compare and validate the recorded diagnoses and dates held by the registry. All 387 GP practice managers were invited to participate. 100 practices (25.84%) responded. Comparisons were made for 17,102 patients, equivalent to 29.08% of the living patients (58,798) extracted from the NICR between 1993 and 2010. There were no significant differences (p>0.05) between the responding and nonresponding GP patient profiles for age, marital status or deprivation score. However, the responding GPs included more female patients (p=0.02). NICR data accuracy was high, 0.08% of GP cancer patients (n=15) were not included in registry records and 0.02% (n=2) had a diagnosis date which varied more than 2 weeks from GP records (3 weeks and 5 months). The NICR had recorded two different tumour types and three different tumour statuses (benign vs. malignant) to the GPs. This comparison demonstrates a high level of accuracy within the NICR and that the survival statistics based on...Continue Reading

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Citations

Jul 29, 2016·The British Journal of Surgery·G LinderJ Hedberg
Jul 17, 2015·The British Journal of Ophthalmology·Florian M HeussenHeinrich Heimann
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