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Kato 1990b
| Methods | Case‐control study, Hospital‐based in Japan | |
| Participants | 1,841 cases, 3,014 controls | |
| Interventions | N/A | |
| Outcomes | Association of green tea consumption with cancer risk Not matched Adjusted for age and residence |
|
| Cancer type & time of follow‐up | Gastric cancer | |
| Sponsor | Grant‐in‐Aid for Cancer Research, Ministry of Health and Welfare in Japan | |
| Notes | 1 to 4 cups/day: RR = 1.04 (95% CI, 0.83 to 1.30) ≥ 5 cups/day: RR = 1.00 (0.78 to 1.29) No p‐values provided | |
