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Tea Consumption and Gastric Cancer: A Pooled Analysis From the Stomach Cancer Pooling (Stop) Project Consortium Publisher Pubmed



Martimianaki G1, 2 ; Alicandro G3, 4 ; Pelucchi C1 ; Bonzi R1 ; Rota M5 ; Hu J6 ; Johnson KC7 ; Rabkin CS8 ; Liao LM8 ; Sinha R8 ; Zhang ZF9 ; Dalmartello M1 ; Lunet N10, 11, 12 ; Morais S10, 11, 12 Show All Authors
Authors
  1. Martimianaki G1, 2
  2. Alicandro G3, 4
  3. Pelucchi C1
  4. Bonzi R1
  5. Rota M5
  6. Hu J6
  7. Johnson KC7
  8. Rabkin CS8
  9. Liao LM8
  10. Sinha R8
  11. Zhang ZF9
  12. Dalmartello M1
  13. Lunet N10, 11, 12
  14. Morais S10, 11, 12
  15. Palli D13
  16. Ferraroni M1
  17. Yu GP14
  18. Tsugane S15, 16
  19. Hidaka A15
  20. Curado MP17
  21. Diasneto E17
  22. Zaridze D18
  23. Maximovitch D18
  24. Vioque J19, 20
  25. Garcia De La Hera M19, 20
  26. Lopezcarrillo L21
  27. Hernandezramirez RU22
  28. Hamada GS23
  29. Ward MH8
  30. Mu L24
  31. Malekzadeh R25
  32. Pourfarzi F26
  33. Trichopoulou A2
  34. Karakatsani A2, 27
  35. Kurtz RC28
  36. Lagiou A29
  37. Lagiou P30, 31
  38. Boccia S32, 33
  39. Boffetta P34, 35
  40. Camargo MC8
  41. Negri E1, 35, 36
  42. La Vecchia C1

Source: British Journal of Cancer Published:2022


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. © 2022, The Author(s), under exclusive licence to Springer Nature Limited.
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12. The Stomach Cancer Pooling (Stop) Project: Study Design and Presentation, European Journal of Cancer Prevention (2015)