Comparison 1. Experimental studies: highest versus lowest green tea exposure.
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
1.1 Prostate cancer incidence | 3 | 201 | Risk Ratio (IV, Random, 95% CI) | 0.50 [0.18, 1.36] |
1.2 Gynaecological cancer incidence | 2 | 1157 | Risk Ratio (M‐H, Random, 95% CI) | 1.50 [0.41, 5.48] |
1.2.1 Endometrial cancer | 1 | 1075 | Risk Ratio (M‐H, Random, 95% CI) | 0.33 [0.01, 8.15] |
1.2.2 Cervical cancer | 1 | 82 | Risk Ratio (M‐H, Random, 95% CI) | 2.00 [0.54, 7.46] |
1.3 Non‐melanoma skin cancer incidence | 1 | 1075 | Risk Ratio (M‐H, Random, 95% CI) | 1.00 [0.06, 15.92] |