Table 4.
Meta-analyses of Vitamin D Supplementation and Prevention of Cancer.
| REF. | Number of Subjects | Number of Trials | Outcome | RR |
|---|---|---|---|---|
| Xu [66] | n: 980,008 | 21 | Ovarian cancer risk | 1.02; CI, 0.89–1.16, p = 0.81 |
| Zhou [67] | n: 72,275 | 10 | Risk of breast cancer | 1.04; CI 0.85–1.29, p = 0.68) And: 0.99; CI 0.91–1.07, p = 0.73) for coadministration of vitamin D and calcium |
| Goulão [68] |
n: 18,808 | 30 | Cancer Incidence | 1.03; 95% CI: 0.91, 1.15) and cancer-related deaths RR: 0.88; 95% CI: 0.70, 1.09. |
| Bjelakovic [69] | n: 50,623 | 18 | Cancer occurrence | RR 1.00; CI 0.94 to 1.06 p = 0.88 |
RR: Relative Risk.