Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

449 questions · 459 findings · 247 reviews

No studies found 75 · 16.3%GRADE not reported 13 · 2.8%Very low 119 · 25.9%Low 139 · 30.3%Moderate 86 · 18.7%High 27 · 5.9%

Antibiotics vs placebo or no intervention

Non‐serious adverse events · farmworkers, soldiers, and people in endemic areas

It is very uncertain whether summary of findings table ‐ Antibiotics changes non‐serious adverse events compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs placebo/open control

All serious adverse events · adults with acute spontaneous intracerebral haemorrhage

Summary of findings table ‐ Antifibrinolytic drug(s) showed no clear difference in all serious adverse events compared with placebo/open control (high certainty).

1 finding from 1 review

Summary of findings table ‐ Recombinant activated factor VII vs placebo/open control

All serious adverse events · adults with acute spontaneous intracerebral haemorrhage

It is very uncertain whether summary of findings table ‐ Recombinant activated factor VII changes all serious adverse events compared with placebo/open control (very low certainty).

1 finding from 1 review

Rotarix vs placebo

All serious adverse events · children

Rotarix leads to lower all serious adverse events compared with placebo (high certainty).

3 findings from 1 review

RotaTeq vs placebo

All serious adverse events · children

RotaTeq showed no clear difference in all serious adverse events compared with placebo (high certainty).

3 findings from 1 review

Antihypertensive drug therapy vs placebo or no treatment

Total serious adverse events · adults (18 years of age or older) with hypertension‐induced left ventricular hypertrophy

It is very uncertain whether antihypertensive therapy changes total serious adverse events compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Iron chelator vs placebo

SAEs · adults with acute stroke

Iron chelator showed no clear difference in serious adverse events (SAE) compared with placebo (low certainty).

1 finding from 1 review