Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,337 questions · 1,354 findings · 566 reviews

No studies found 307 · 22.7%GRADE not reported 81 · 6%Very low 424 · 31.3%Low 310 · 22.9%Moderate 189 · 14%High 43 · 3.2%

Rituximab vs placebo

Serious adverse events measured by clinical assessment over 12 months · primary progressive multiple sclerosis

Rituximab as 'first choice' showed no clear difference in serious adverse events measured by clinical assessment over 28 months compared with placebo (low certainty).

1 finding from 1 review

PERPHENAZINE vs antipsychotics

Other adverse events: any serious adverse event ‐ short and long term · patients with schizophrenia

It is very uncertain whether PERPHENAZINE changes other adverse events: any serious adverse event ‐ short and long term compared with ANY ANTIPSYCHOTICS (very low certainty).

1 finding from 1 review

Intermittent 'as needed' ICS vs daily ICS

Patients with serious adverse health events (duration 12 to 52 weeks) · Children and adults with persistent asthma.

Intermittent 'as needed' ICS showed no clear difference in patients with serious adverse health events (duration 12 to 52 weeks) compared with daily ICS (low certainty).

1 finding from 1 review

SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN vs CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐ medium term (3‐12 months)

Adverse events: 1a. Serious adverse event ‐ switching to aripiprazole · patients with people with schizophrenia who have neuroleptic‐induced weight or metabolic problems

SWITCHING ‐ NEW ANTIPSYCHOTIC REGIMEN showed no clear difference in adverse events: 1a. Serious adverse event ‐ switching to aripiprazole compared with CONTINUATION ON PREVIOUS REGIMEN: 1b. NEW ATYPICAL from OLANZAPINE ‐… (low certainty).

1 finding from 1 review

Intervention not reported

Serious adverse eventsClinical manifestation and laboratory examination · people with acute herpes zoster (within 7 days of onset of rash)

It is very uncertain whether the intervention changes serious adverse eventsClinical manifestation and laboratory… (very low certainty).

1 finding from 1 review

Long‐term red cell transfusion vs hydroxyurea and phlebotomy

Serious adverse events as a result of sickle cell‐related complications · individuals with sickle cell disease who are at risk of a primary stroke who have had long‐term red cell transfusions to prevent a stroke

It is very uncertain whether long‐term red cell transfusion changes serious adverse events as a result of sickle cell‐related… compared with hydroxyurea and phlebotomy (very low certainty).

1 finding from 1 review

Long‐term red cell transfusion vs hydroxyurea and phlebotomy

Serious adverse events as a result of sickle cell‐related complications · individuals with sickle cell disease who have had a stroke who have had long‐term red cell transfusions to prevent another stroke

It is very uncertain whether long‐term red cell transfusion changes serious adverse events as a result of sickle cell‐related… compared with hydroxyurea and phlebotomy (very low certainty).

1 finding from 1 review

Long‐term red cell transfusion vs no transfusion

Serious adverse events as a result of sickle cell‐related complications · individuals with sickle cell disease who are at risk of a primary stroke who have not had previous long‐term red cell transfusions

Long‐term red cell transfusion may leads to lower serious adverse events as a result of sickle cell‐related… compared with no transfusion (low certainty).

1 finding from 1 review

Diclofenac vs paracetamol

Serious adverse events during the study period · children with acute postoperative pain

It is very uncertain whether diclofenac changes serious adverse events during study period № of participants: 60 (1… compared with paracetamol (very low certainty).

1 finding from 1 review

RISPERIDONE DEPOT vs ARIPIPRAZOLE

Adverse events: General ‐ serious Unclear how these events were reported · patients with schizophrenia

It is very uncertain whether RISPERIDONE DEPOT changes adverse events: General ‐ serious Unclear how these events were… compared with ORAL ARIPIPRAZOLE (very low certainty).

1 finding from 1 review

Intensive insulin therapy vs conventional insulin therapy

Serious adverse events, ‐ in total population randomised ‐ hypoglycaemia · critically ill patients

Intensive insulin therapy leads to higher serious adverse events, ‐ in total population randomised ‐… compared with conventional insulin therapy (high certainty).

1 finding from 1 review

Intervention vs control

Serious adverse events ‐ Recombinant factor VIIa (rFVIIa) versus control · Patients with liver transplantation.

It is very uncertain whether intervention changes serious adverse events ‐ Recombinant factor VIIa (rFVIIa) versus… compared with control (very low certainty).

1 finding from 1 review

Regular salmeterol vs salbutamol

Asthma‐related non‐fatal serious adverse events ‐ adults and adolescents · patients with chronic asthma

Regular salmeterol showed no clear difference in asthma‐related non‐fatal serious adverse events ‐ adults and… compared with regular salbutamol (low certainty).

1 finding from 1 review