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What do systematic reviews say?

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Evidence found and GRADE certainty

1 questions · 1 findings · 1 reviews · Gynaecological, Neuro-oncology and Orphan Cancer

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 1 · 100%

Highest vs lowest selenium exposure

Cancer mortality risk No. of participants: 17,448 (1 RCT) · Participants in trials with low risk of bias

Highest showed no clear difference in cancer mortality risk No. of participants: 17,448 (1 RCT) compared with lowest selenium exposure (high certainty).

1 finding from 1 review