Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,918 questions · 5,537 findings · 1,803 reviews

No studies found 1,309 · 23.6%GRADE not reported 440 · 7.9%Very low 1,560 · 28.2%Low 1,292 · 23.3%Moderate 751 · 13.6%High 185 · 3.3%

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Weekend therapy vs no topical corticosteroids

Local adverse events: skin thinning; end of treatment (16‐20 weeks + 2‐4 weeks acute phase) · children and adults with mild to severe eczema

Weekend therapy may leads to lower local adverse events: skin thinning; end of treatment (16‐20 weeks +… compared with no topical corticosteroid (low certainty).

1 finding from 1 review

Adults: formoterol/ICS vs salmeterol/ICS

All‐cause non‐fatal serious adverse events ‐ formoterol/budesonide vs salmeterol/budesonide · adults, chronic asthma: all‐cause mortality

Adults: formoterol/ICS showed no clear difference in all‐cause non‐fatal serious adverse events ‐ formoterol/budesonide… compared with salmeterol/ICS (low certainty).

1 finding from 1 review

Intervention not reported

Adverse events: morbidity related to the shunt placement that has not led to shunt revision · participants with hydrocephalus
1 finding from 1 review

Group B cognitive behavioural therapy: cognitive behavioural therapy + risperidone vs placebo and cognitive and behavioural therapies

Adverse effects: specific ‐ doctors' assessment of adverse effects UKU (events) Medium‐term · people in the prodromal stage of psychosis

It is very uncertain whether group B cognitive behavioural therapy: cognitive behavioural therapy… changes adverse effects: specific ‐ doctors' assessment of adverse effects… compared with cognitive behavioural therapy + placebo (very low certainty).

1 finding from 1 review

Group C cognitive behavioural therapy: cognitive behavioural therapy + placebo vs placebo or supportive treatment

Adverse effects: specific ‐ doctors' assessment of adverse effects UKU (events) Medium‐term · people in the prodromal stage of psychosis

It is very uncertain whether group C cognitive behavioural therapy: cognitive behavioural therapy… changes adverse effects: specific ‐ doctors' assessment of adverse effects… compared with supportive therapy + placebo (very low certainty).

1 finding from 1 review

Preoperative education vs usual care

Total number of serious adverse events (infection, thrombosis, other serious adverse events · patients with knee replacement surgery

Preoperative education showed no clear difference in total number of serious adverse events (infection, thrombosis, other… compared with usual care (low certainty).

1 finding from 1 review

Zinc vs placebo

Risk of serious adverse events, including those that may be complications of the common cold · adults and children with colds and/or upper respiratory infections

The review found no eligible studies for this question.

1 finding from 1 review

Adults: formoterol/ICS vs salmeterol/ICS

All‐cause non‐fatal serious adverse events ‐ formoterol and budesonide vs salmeterol and fluticasone · adults, chronic asthma: all‐cause mortality

Adults: formoterol/ICS showed no clear difference in all‐cause non‐fatal serious adverse events ‐ formoterol/budesonide… compared with salmeterol/ICS (moderate certainty).

1 finding from 1 review

Adults: formoterol/ICS vs salmeterol/ICS

All‐cause non‐fatal serious adverse events ‐ formoterol/mometasone vs salmeterol/fluticasone · adults, chronic asthma: all‐cause mortality

Adults: formoterol/ICS showed no clear difference in all‐cause non‐fatal serious adverse events ‐ formoterol/mometasone… compared with salmeterol/ICS (moderate certainty).

1 finding from 1 review

Intervention not reported

Proportion of participants who experienced operative or postoperative serious adverse events · patients with multiple sclerosis and chronic cerebrospinal venous insufficiency (CCSVI)

The intervention showed no clear difference in proportion of participants who experienced operative or… (moderate certainty).

1 finding from 1 review

Aspirin plus antipsychotics vs placebo/no adjunctive treatment + antipsychotics

Adverse events: gastrointestinal – dyspeptic symptoms – self‐assessed as at least 'moderate' · patients with schizophrenia

It is very uncertain whether aspirin plus antipsychotics changes adverse events: gastrointestinal – dyspeptic symptoms –… compared with placebo plus antipsychotics (very low certainty).

1 finding from 1 review

Intraoperative neuromonitoring vs visual nerve identification only during thyroidectomy

Adverse events other than RILN palsy (participants) Definition: transient hypoparathyroidism

It is very uncertain whether intraoperative neuromonitoring changes adverse events other than RILN palsy (participants) Definition:… compared with visual nerve identification only during thyroidectomy (very low certainty).

1 finding from 1 review

Bortezomib vs no bortezomib

Adverse Events: Infections (All) ‐ Bortezomib versus no bortezomib (same background therapy) · All patients with a diagnosis of multiple myeloma

Bortezomib showed no clear difference in adverse Events: Infections (All) ‐ Bortezomib versus no bortezomib… compared with no bortezomib (high certainty).

1 finding from 1 review

Total or near‐total thyroidectomy vs subtotal thyroidectomy

Adverse events: a) Permanent recurrent laryngeal nerve palsy b) Permanent hypoparathyroidism

Total or near‐total thyroidectomy showed no clear difference in adverse events: a) Permanent recurrent laryngeal nerve palsy b)… compared with subtotal thyroidectomy (low certainty).

1 finding from 1 review

Preoperative education vs usual care

Total number of serious adverse events (infection, thrombosis, other serious adverse events · hip replacement

It is very uncertain whether preoperative education changes total number of serious adverse events (infection, thrombosis, other… compared with usual care (very low certainty).

1 finding from 1 review