Zusammenfassung
Hintergrund: Das übergeordnete Ziel des Forschungsvorhabens war es, das Potenzial der Früherkennung
von Darmkrebs bei Personen mit familiärem oder hereditärem Risiko abzuschätzen. Fragestellung
des vorliegenden Manuskripts ist, wie viele Personen in den Altersgruppen 30 – 49
bzw. 30 – 54 Jahre durch einen Fragebogen (hier: Fragebogen des Netzwerks gegen Darmkrebs
e. V.) als Personen mit familiärem bzw. hereditärem Risiko identifiziert werden würden.
Methodik: Hochrechnungen, die auf Ergebnissen einer systematischen Literaturrecherche zur Validität
von Fragebogeninstrumenten und der Prävalenz familiärer und hereditärer Merkmalsträger
sowie aktuellen Zahlen zur Darmkrebsinzidenz beruhen. Ergebnisse: Ausgehend von einer 10 %igen Prävalenz von Personen mit familiärem Risiko in der
Bevölkerung und maximalem Wissen um Tumorerkrankungen in der Familie würden 5,7 %
in der Gruppe 30 – 49 Jahre als Personen mit familiärem Risiko eingestuft werden (Altersgruppe
30 – 54 Jahre: 7,2 %). Bei der gemeinsamen Betrachtung von familiärem und hereditärem
Risiko (bei 2 %iger Prävalenz hereditärer Merkmalsträger) würden 6,7 % der Personen
im Alter von 30 – 49 Jahren (30 – 54 Jahre: 8,2 %) ein positives Fragebogenergebnis
aufweisen. Schlussfolgerung: Bei einer realistischen Teilnahmequote von 35 % an der Fragebogen-Befragung würden
auf bevölkerungsbezogener Basis rund 542 000 Personen im Alter von 30 – 49 Jahren
bzw. rund 816 000 Personen (30 – 54 Jahre) als Personen mit familiärem oder hereditärem
Risiko eingestuft werden.
Abstract
Background: The overall aim of the present work was to estimate the potential of early detection
of colorectal cancer in persons with familial or hereditary risk. In this paper we
present projections on how many persons in the age groups 30 – 49 and 30 – 54 years,
respectively, would be classified as being at familial or hereditary risk when a questionnaire
distributed by the ”Netzwerk gegen Darmkrebs e. V.” (network against colon cancer)
is used for identification. Methods: Based on the results of a systematic literature search on the validity of questionnaires,
the estimated prevalence of familial and hereditary disposition for colorectal cancer
as well as actual German tumour incidence data projections were calculated. Results: Given a 10 % prevalence of persons with a familial risk in the German general population
and a maximum knowledge of all tumour cases in kindred, a total of 5.7 % of all Germans
in the age group 30 – 49 years would be classified as familial risk persons (7.2 %
in the age group 30 – 54 years). Taking familial and hereditary risks into account
6.7 % (8.2 %) will have a positive questionnaire result. Conclusion: If the questionnaire is used on a population-based level and the participation rate
is 35 %, approximately 542 000 persons in the age group 30 – 49 years (816 000 in
the age group 30 – 54 years) will be classified as having a familial or hereditary
risk for colorectal cancer.
Schlüsselwörter
kolorektales Karzinom - familiäres Risiko - hereditäres Risiko - Screening - Fragebogen
- Familienanamnese
Key words
colorectal cancer - familial risk - hereditary risk - screening - questionnaire -
family history
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1 Genauere Angaben zu den Inhalten des Forschungsprojekts, definierten Fragestellungen
und entsprechenden Suchmodulen für die systematische Literaturrecherche können bei
den Autoren angefragt werden.
Dr. Annika Waldmann
Universität zu Lübeck, Institut für Krebsepidemiologie e. V.
Beckergrube 43 – 47
23552 Lübeck
eMail: Annika.Waldmann@krebsregister-sh.de