Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,808 questions · 8,953 findings · 827 reviews · Headline outcomes only

No studies found 1,891 · 21.1%GRADE not reported 380 · 4.2%Very low 2,100 · 23.5%Low 2,449 · 27.4%Moderate 1,684 · 18.8%High 449 · 5%

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Intervention not reported

Delayed cerebral ischemia

The intervention showed no clear difference in delayed cerebral ischemia (moderate certainty).

1 finding from 1 review

Comparison 13: SSRIs vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · adults (aged 18‐85)

Comparison 6: SSRIs probably leads to lower treatment efficacy ‐ treatment response, as measured by the Global… compared with placebo (moderate certainty).

1 finding from 1 review

Comparison 7: TCAs vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · adults (aged 18‐85)

Comparison 7: TCAs may leads to lower treatment efficacy ‐ treatment response, as measured by the Global… compared with placebo (low certainty).

1 finding from 1 review

Alpha‐blockers vs placebo

Dropouts due to adverse events · adults (aged 18‐85)

Comparison 1: Alpha‐blockers showed no clear difference in treatment tolerability, as measured by Dropouts due to adverse… compared with placebo (moderate certainty).

1 finding from 1 review

Antipsychotics vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · adults (aged 18‐85)

It is very uncertain whether comparison 2: Antipsychotics changes treatment efficacy ‐ treatment response, as measured by the Global… compared with placebo (very low certainty).

1 finding from 1 review

Antipsychotics vs placebo

Dropouts due to adverse events · adults (aged 18‐85)

Comparison 2: Antipsychotics showed no clear difference in treatment tolerability, as measured by Dropouts due to adverse… compared with placebo (low certainty).

1 finding from 1 review

MAOIs vs placebo

Dropouts due to adverse events · adults (aged 18‐85)

Comparison 3: MAOIs showed no clear difference in treatment tolerability, as measured by Dropouts due to adverse… compared with placebo (low certainty).

1 finding from 1 review

Comparison 9: NaSSAs vs placebo

Global Impressions scale change item (CGI‐I or similar): no. of responders (acute phase) · adults (aged 18‐85)

Comparison 4: NaSSAs may leads to lower treatment efficacy ‐ Treatment response, as measured by the Global… compared with placebo (low certainty).

1 finding from 1 review