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Tea consumption and gastric cancer: a pooled analysis from the Stomach cancer Pooling (StoP) Project consortium

  • Georgia Martimianaki
  • , Gianfranco Alicandro
  • , Claudio Pelucchi
  • , Rossella Bonzi
  • , Matteo Rota
  • , Jinfu Hu
  • , Kenneth C. Johnson
  • , Charles S. Rabkin
  • , Linda M. Liao
  • , Rashmi Sinha
  • , Zuo Feng Zhang
  • , Michela Dalmartello
  • , Nuno Lunet
  • , Samantha Morais
  • , Domenico Palli
  • , Monica Ferraroni
  • , Guo Pei Yu
  • , Shoichiro Tsugane
  • , Akihisa Hidaka
  • , Maria Paula Curado
  • Emmanuel Dias-Neto, David Zaridze, Dmitry Maximovitch, Jesus Vioque, Manoli Garcia de la Hera, Lizbeth López-Carrillo, Raúl Ulises Hernández-Ramírez, Gerson Shigueaki Hamada, Mary H. Ward, Lina Mu, Reza Malekzadeh, Farhad Pourfarzi, Antonia Trichopoulou, Anna Karakatsani, Robert C. Kurtz, Areti Lagiou, Pagona Lagiou, Stefania Boccia, Paolo Boffetta, M. Constanza Camargo, Eva Negri, Carlo La Vecchia
  • University of Milan
  • Helenic Health Foundation
  • IRCCS Fondazione Ca'Granda – Ospedale Maggiore Policlinico - Milano
  • University of Brescia
  • Harbin Medical University
  • University of Ottawa
  • National Institutes of Health
  • University of California at Los Angeles
  • University of Porto
  • Laboratório para a Investigação Integrativa e Translacional em Saúde Populacional (ITR)
  • Institute for the Study and Prevention of Cancer
  • Peking University
  • National Cancer Center Japan
  • National Institutes of Biomedical Innovation, Health and Nutrition
  • A.C.Camargo Cancer Center
  • Blokhin Cancer Research Center
  • CIBER Epidemiología y Salud Pública (CIBERESP)
  • Miguel Hernández University
  • Instituto Nacional de Salud Publica
  • Yale University
  • Nikkei Disease Prevention Center
  • SUNY Buffalo
  • Tehran University of Medical Sciences
  • Ardabil University of Medical Sciences
  • National and Kapodistrian University of Athens
  • Memorial Sloan-Kettering Cancer Center
  • University of West Attica
  • Harvard University
  • Catholic University of the Sacred Heart
  • Fondazione Policlinico Universitario A.Gemelli IRCS
  • University of Bologna
  • Pegaso Telematic University

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Background: Evidence from epidemiological studies on the role of tea drinking in gastric cancer risk remains inconsistent. We aimed to investigate and quantify the relationship between tea consumption and gastric cancer in the Stomach cancer Pooling (StoP) Project consortium. Methods: A total of 9438 cases and 20,451 controls from 22 studies worldwide were included. Odds ratios (ORs) and the corresponding 95% confidence intervals (CIs) of gastric cancer for regular versus non-regular tea drinkers were estimated by one and two-stage modelling analyses, including terms for sex, age and the main recognised risk factors for gastric cancer. Results: Compared to non-regular drinkers, the estimated adjusted pooled OR for regular tea drinkers was 0.91 (95% CI: 0.85–0.97). When the amount of tea consumed was considered, the OR for consumption of 1–2 cups/day was 1.01 (95% CI: 0.94–1.09) and for >3 cups/day was 0.91 (95% CI: 0.80–1.03). Stronger inverse associations emerged among regular drinkers in China and Japan (OR: 0.67, 95% CI: 0.49–0.91) where green tea is consumed, in subjects with H. pylori infection (OR: 0.68, 95% CI: 0.58–0.80), and for gastric cardia cancer (OR: 0.64, 95% CI: 0.49–0.84). Conclusion: Our results indicate a weak inverse association between tea consumption and gastric cancer.

Original languageEnglish
Pages (from-to)726-734
Number of pages9
JournalBritish Journal of Cancer
Volume127
Issue number4
DOIs
StatePublished - Sep 1 2022

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