Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

149 questions · 149 findings · 58 reviews

No studies found 31 · 20.8%GRADE not reported 17 · 11.4%Very low 28 · 18.8%Low 41 · 27.5%Moderate 23 · 15.4%High 9 · 6%

Summary of findings table ‐ Convalescent plasma vs placebo or usual care

Grades 3 and 4 adverse events · individuals with moderate to severe disease

Summary of findings table ‐ Convalescent plasma showed no clear difference in grades 3 and 4 adverse events compared with placebo or standard care alone (low certainty).

1 finding from 1 review

Summary of findings table ‐ Convalescent plasma vs placebo or usual care

Serious adverse events ‐ total · individuals with moderate to severe disease

Summary of findings table ‐ Convalescent plasma showed no clear difference in serious adverse events ‐ total compared with placebo or standard care alone (moderate certainty).

1 finding from 1 review

Music therapy plus treatment as usual (TAU) vs TAU

Any adverse events Up to 3 months · patients with depression

Music therapy plus treatment as usual (TAU) showed no clear difference in any adverse events Up to 3 months compared with TAU (low certainty).

1 finding from 1 review