Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,788 questions · 1,849 findings · 336 reviews

No studies found 245 · 13.3%GRADE not reported 126 · 6.8%Very low 612 · 33.1%Low 512 · 27.7%Moderate 305 · 16.5%High 49 · 2.7%

Tibolone vs combined HT

Breast cancer; women without previous breast cancer (all doses) · postmenopausal women with or without vasomotor symptoms

It is very uncertain whether tibolone changes breast cancer; women without previous breast cancer (all doses) compared with combined HT (very low certainty).

1 finding from 1 review

Tibolone vs placebo

Breast cancer; women without previous breast cancer (all doses) · postmenopausal women with or without vasomotor symptoms

It is very uncertain whether tibolone changes breast cancer; women without previous breast cancer (all doses) compared with placebo (very low certainty).

1 finding from 1 review