Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

131 questions · 131 findings · 55 reviews

No studies found 10 · 7.6%GRADE not reported 10 · 7.6%Very low 31 · 23.7%Low 39 · 29.8%Moderate 31 · 23.7%High 10 · 7.6%

Prebiotic vs placebo

Withdrawals due to adverse events · people with histologically confirmed diagnosis of ulcerative colitis in remission

It is very uncertain whether prebiotics changes withdrawals due to adverse events (60 days to 6 months) compared with placebo (very low certainty).

1 finding from 1 review

Short‐stay unit hospitalisation vs usual care

Serious adverse events at time point closest to 90 days · participants with internal medicine diseases and conditions

It is very uncertain whether short‐stay unit hospitalisation changes serious adverse events at time point closest to 90 days compared with usual care (very low certainty).

1 finding from 1 review

Intervention not reported

Adverse events · Children receiving antibiotic treatment between 4 and 28 days duration for a variety of infections

The intervention showed no clear difference in adverse events (low certainty).

1 finding from 1 review

Comparison 2: any simplified antibiotic regimen vs 7 days injectable benzylpenicillin + injectable gentamicin

Adverse events · neonates with possible serious bacterial infection

Comparison 2: any simplified antibiotic regimen showed no clear difference in adverse events compared with the standard antibiotic regimen (7 days injectable benzylpenicillin… (moderate certainty).

1 finding from 1 review

Other prokinetics vs domperidone

Adverse events · patients with functional dyspepsia

It is very uncertain whether other prokinetics changes adverse events compared with domperidone 10mg three times a day (very low certainty).

1 finding from 1 review

Prebiotic vs placebo

Withdrawals due to adverse events · people with mild‐to‐moderate disease (Rachmilewitz index) or active disease (SCCAI score of 4 to 10)

It is very uncertain whether prebiotics changes withdrawals due to adverse events (14 days to 2 or 3 months) compared with placebo (very low certainty).

1 finding from 1 review

Oral iron sulphate vs oral iron hydroxide polymaltose complex

Serious adverse events ‐ active or inactive disease (14 days) · IBD patients

It is very uncertain whether oral iron sulphate changes serious adverse events ‐ active or inactive disease (14 days) compared with oral iron hydroxide polymaltose complex (very low certainty).

1 finding from 1 review

Ibuprofen vs morphine

Adverse events (reported in the first 7 days after the procedure) · children with acute postoperative pain

Ibuprofen probably leads to lower adverse events (reported in the first 7 days after the procedure) compared with morphine (moderate certainty).

1 finding from 1 review

Ibuprofen vs placebo

Adverse events (reported in the first 7 days after the procedure) · children with acute postoperative pain

Ibuprofen showed no clear difference in adverse events (reported in the first 7 days after the procedure) compared with placebo (low certainty).

1 finding from 1 review

Very potent vs potent topical corticosteroid

Local adverse events: skin thinning; end of treatment (1 to 3 weeks) · adults with eczema

It is very uncertain whether very potent changes local adverse events: skin thinning; end of treatment (day 11‐day 22) compared with potent topical corticosteroid (very low certainty).

1 finding from 1 review

Moderate‐potency vs mild‐potency topical corticosteroid

Systemic adverse events: abnormal cortisol; end of treatment (1‐6 weeks) · children and adults with mild to severe eczema

It is very uncertain whether moderate‐potency changes systemic adverse events: abnormal cortisol; end of treatment (6‐28… compared with mild‐potency topical corticosteroid (very low certainty).

1 finding from 1 review