Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

271 questions · 282 findings · 120 reviews

No studies found 54 · 19.1%GRADE not reported 16 · 5.7%Very low 81 · 28.7%Low 75 · 26.6%Moderate 39 · 13.8%High 17 · 6%

Band ligation vs no intervention or a sham procedure

Adverse events considered non‐serious · children with portal hypertension and large oesophageal varices, without previous gastrointestinal bleeding or beta‐blocker treatment

The review found no eligible studies for this question.

1 finding from 1 review

Plasma‐derived C1 esterase inhibitor vs placebo or active control

Serious adverse events (during · children or adults with Types I or II HAE

It is very uncertain whether plasma‐derived C1 esterase inhibitor changes serious adverse events (during compared with placebo or active control (very low certainty).

1 finding from 1 review

Recombinant human C1 esterase inhibitor vs placebo or active control

Serious adverse events (during · children or adults with Types I or II HAE

It is very uncertain whether recombinant human C1 esterase inhibitor changes serious adverse events (during compared with placebo or active control (very low certainty).

1 finding from 1 review

Efficacy and safety of a first dose of whole‐cell pertussis vaccine vs a first dose of acellular pertussis vaccine

All‐cause serious adverse events · the promotion of growth and prevention of infections in infants less than six months of age

Efficacy and safety of a first dose of whole‐cell pertussis vaccine showed no clear difference in all‐cause serious adverse events compared with a first dose of acellular pertussis vaccine (moderate certainty).

1 finding from 1 review

Intervention not reported

MST vs ECT ‐ serious adverse events · patients with schizophrenia

The review found no eligible studies for this question.

1 finding from 1 review