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Registration completeness and tumour–node–metastases category distribution in prostatic and testicular cancer in Bavaria

Radespiel-Tröger, Martina b; Geiss, Karlaa; Gärtig-Daugs, Anjaa; Meyer, Martina

European Journal of Cancer Prevention: June 2008 - Volume 17 - Issue 3 - pp 230-237
doi: 10.1097/CEJ.0b013e3282f0c03d
Research papers: Urological Cancers

Tumour–node–metastases (TNM) category distribution can be used as a short-term surrogate measure for survival probability to evaluate the impact of interventions for improved prevention and early detection of cancer. We aimed to demonstrate whether or not an association between registration completeness and TNM category distribution exists and whether accurate estimates of the TNM category distribution are possible before complete registration. With respect to the diagnosis year 2002, the number of registered cases of prostatic and testicular cancer at the Bavarian cancer registry was determined every 6 months between 2003 and 2006 together with the respective TNM category distributions and the completeness of registration. For the diagnosis year 2002, 6135 and 480 cases of newly developed prostatic and testicular cancer, respectively, were reported to the registry. After 2003, the proportion of prostatic cancer cases labelled ‘T1’ fluctuated by only 1%. A stable TNM category distribution was seen with a minimum registration completeness of 65–70%. No relevant association between registration completeness and TNM category distribution could be demonstrated for prostatic and testicular cancer. Therefore, in prostatic and testicular cancer, the TNM category distribution can be used for short-term evaluation of quality assurance projects and in health services research.

aPopulation–Based Cancer Registry Bavaria, Registration Office, Östliche Stadtmauerstr

bDepartment of Medical Informatics, Biometry, and Epidemiology, University of Erlangen-Nuremberg, Erlangen, Germany

Correspondence to Martin Radespiel-Tröger, MD, Population–Based Cancer Registry Bavaria, Registration Office, Östliche Stadtmauerstr 30a, 91054 Erlangen, Germany

Tel: +49 9131 85 36041; fax: +49 9131 85 36040; e-mail: Martin.Radespiel-Troeger@ekr.med.uni-erlangen.de

Received 22 May 2007 Accepted 4 July 2007

© 2008 Lippincott Williams & Wilkins, Inc.