Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,721 questions · 19,640 findings · 2,039 reviews · Headline outcomes only

No studies found 3,754 · 19.1%GRADE not reported 1,273 · 6.5%Very low 4,859 · 24.7%Low 5,568 · 28.4%Moderate 3,240 · 16.5%High 946 · 4.8%

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n3PUFAs vs placebo

Depressive symptomology (dichotomous ‐ remission) Depressive symptomology rating scale as used by authors · adults with Major Depressive Disorder

n3PUFAs showed no clear difference in depressive symptomology (dichotomous ‐ remission)Depressive… compared with placebo (low certainty).

1 finding from 1 review

n3PUFAs vs placebo

Depressive symptomology (dichotomous ‐ response) Depressive symptomology rating scale as used by authors · adults with Major Depressive Disorder

n3PUFAs showed no clear difference in depressive symptomology (dichotomous ‐ response)Depressive… compared with placebo (low certainty).

1 finding from 1 review

Paroxetine vs doxepin

> 50% reduction in depressive symptoms · people with epilepsy and depression

Paroxetine showed no clear difference in > 50% reduction in depressive symptoms compared with doxepin (moderate certainty).

1 finding from 1 review