Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,004 questions · 1,019 findings · 269 reviews

No studies found 333 · 32.7%GRADE not reported 106 · 10.4%Very low 313 · 30.7%Low 189 · 18.5%Moderate 66 · 6.5%High 12 · 1.2%

Intervention not reported

Adverse events · adults (age 18 years or over) with myocardial infarction, stable angina, following coronary artery bypass graft surgery or percutaneous…

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings: Defibrotide vs no treatment

Frequency of adverse events ( · Children undergoing stem cell transplant with malignant and non‐malignant diseases and risk factors for hepatic veno‐occlusive disease

It is very uncertain whether summary of findings: Defibrotide changes frequency of adverse events ( compared with no treatment (very low certainty).

1 finding from 1 review

Intervention not reported

Clinically important adverse events · adults with schizophrenia or related disorders treated for clozapine‐induced tachycardia

The review found no eligible studies for this question.

1 finding from 1 review

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

Proportion of participants with adverse events with a probable causal link with the study interventions at six months · adults undergoing cataract surgery with IOL implantation

The review found no eligible studies for this question.

1 finding from 1 review

PET-CT following chemoradiotherapy (neck dissection only if no/incomplete response) vs Planned neck dissection before or after chemoradiotherapy

Adverse events associated with treatment · Adults with oral cavity or oropharyngeal cancer with nodal disease (stage N2 or N3)
1 finding from 1 review

Intervention not reported

Serious adverse events for all placebos compared with wait‐list or no treatment (Spontaneous reporting of dichotomous outcomes) (Post‐treatment) · patients with mental health disorders

It is very uncertain whether the intervention changes serious adverse events for all placebos compared with wait‐list or… (very low certainty).

1 finding from 1 review

Intervention not reported

Non‐serious adverse events for all placebos compared with wait‐list or no treatment (Spontaneous reporting of dichotomous outcomes) (Post‐treatment) · patients with mental health disorders

It is very uncertain whether the intervention changes non‐serious adverse events for all placebos compared with wait‐list… (very low certainty).

1 finding from 1 review