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Region Hovedstaden - en del af Københavns Universitetshospital
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Colorectal cancer incidence, mortality, and stage distribution in European countries in the colorectal cancer screening era: an international population-based study

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  • Rafael Cardoso
  • Feng Guo
  • Thomas Heisser
  • Monika Hackl
  • Petra Ihle
  • Harlinde De Schutter
  • Nancy Van Damme
  • Zdravka Valerianova
  • Trajan Atanasov
  • Ondřej Májek
  • Jan Mužík
  • Mef Christina Nilbert
  • Anne Julie Tybjerg
  • Kaire Innos
  • Margit Mägi
  • Nea Malila
  • Anne-Marie Bouvier
  • Véronique Bouvier
  • Guy Launoy
  • Anne-Sophie Woronoff
  • Mélanie Cariou
  • Michel Robaszkiewicz
  • Patricia Delafosse
  • Florence Poncet
  • Alexander Katalinic
  • Paul M Walsh
  • Carlo Senore
  • Stefano Rosso
  • Ieva Vincerževskienė
  • Valery E P P Lemmens
  • Marloes A G Elferink
  • Tom Børge Johannesen
  • Hartwig Kørner
  • Frank Pfeffer
  • Maria José Bento
  • Jessica Rodrigues
  • Filipa Alves da Costa
  • Ana Miranda
  • Vesna Zadnik
  • Tina Žagar
  • Arantza Lopez de Munain Marques
  • Rafael Marcos-Gragera
  • Montse Puigdemont
  • Jaume Galceran
  • Marià Carulla
  • María-Dolores Chirlaque
  • Monica Ballesta
  • Kristina Sundquist
  • Jan Sundquist
  • Marco Weber
  • Andrea Jordan
  • Christian Herrmann
  • Mohsen Mousavi
  • Anton Ryzhov
  • Michael Hoffmeister
  • Hermann Brenner
Vis graf over relationer

BACKGROUND: Colorectal cancer screening programmes and uptake vary substantially across Europe. We aimed to compare changes over time in colorectal cancer incidence, mortality, and stage distribution in relation to colorectal cancer screening implementation in European countries.

METHODS: Data from nearly 3·1 million patients with colorectal cancer diagnosed from 2000 onwards (up to 2016 for most countries) were obtained from 21 European countries, and were used to analyse changes over time in age-standardised colorectal cancer incidence and stage distribution. The WHO mortality database was used to analyse changes over time in age-standardised colorectal cancer mortality over the same period for the 16 countries with nationwide data. Incidence rates were calculated for all sites of the colon and rectum combined, as well as the subsites proximal colon, distal colon, and rectum. Average annual percentage changes (AAPCs) in incidence and mortality were estimated and relevant patterns were descriptively analysed.

FINDINGS: In countries with long-standing programmes of screening colonoscopy and faecal tests (ie, Austria, the Czech Republic, and Germany), colorectal cancer incidence decreased substantially over time, with AAPCs ranging from -2·5% (95% CI -2·8 to -2·2) to -1·6% (-2·0 to -1·2) in men and from -2·4% (-2·7 to -2·1) to -1·3% (-1·7 to -0·9) in women. In countries where screening programmes were implemented during the study period, age-standardised colorectal cancer incidence either remained stable or increased up to the year screening was implemented. AAPCs for these countries ranged from -0·2% (95% CI -1·4 to 1·0) to 1·5% (1·1 to 1·8) in men and from -0·5% (-1·7 to 0·6) to 1·2% (0·8 to 1·5) in women. Where high screening coverage and uptake were rapidly achieved (ie, Denmark, the Netherlands, and Slovenia), age-standardised incidence rates initially increased but then subsequently decreased. Conversely, colorectal cancer incidence increased in most countries where no large-scale screening programmes were available (eg, Bulgaria, Estonia, Norway, and Ukraine), with AAPCs ranging from 0·3% (95% CI 0·1 to 0·5) to 1·9% (1·2 to 2·6) in men and from 0·6% (0·4 to 0·8) to 1·1% (0·8 to 1·4) in women. The largest decreases in colorectal cancer mortality were seen in countries with long-standing screening programmes.

INTERPRETATION: We observed divergent trends in colorectal cancer incidence, mortality, and stage distribution across European countries, which appear to be largely explained by different levels of colorectal cancer screening implementation.

FUNDING: German Cancer Aid (Deutsche Krebshilfe) and the German Federal Ministry of Education and Research.

OriginalsprogEngelsk
TidsskriftThe Lancet Oncology
Vol/bind22
Udgave nummer7
Sider (fra-til)1002-1013
Antal sider12
ISSN1470-2045
DOI
StatusUdgivet - jul. 2021
Eksternt udgivetJa

ID: 65944529