Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

488 questions · 501 findings · 191 reviews

No studies found 126 · 25.1%GRADE not reported 124 · 24.8%Very low 104 · 20.8%Low 89 · 17.8%Moderate 49 · 9.8%High 9 · 1.8%

Home (point‐of‐use) fortification of foods with multiple micronutrient powders vs placebo or no intervention

Any adverse effects (e.g. hypervitaminosis A, as defined by the trialists) · preschool and school‐age children

Point‐of‐use fortification of foods with micronutrients powders (MNP) showed no clear difference in adverse effects (any, as defined by trialists) compared with no intervention or placebo (moderate certainty).

1 finding from 1 review

Vitrectomy vs scleral buckling

Adverse effects (cataract development, choroidal detachment, new/iatrogenic breaks, postoperative proliferative vitreoretinopathy, postoperative increase in intraocular pressure, development of cystoid macular oedema, macular pucker, strabismus) a... · people with simple rhegmatogenous retinal detachments

Pars plana vitrectomy (PPV) may leads to higher adverse effects (cataract development, choroidal detachment,… compared with scleral buckling (low certainty).

1 finding from 1 review

Intervention not reported

Discontinuation of therapy due to adverse effects · patients in primary prevention of cardiovascular disease events

It is very uncertain whether the intervention changes discontinuation of therapy due to adverse effects (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Energy, protein and micronutrients vs standard diet

Gastrointestinal adverse events · long‐term care patients; inpatients without dehydration with energy intake by tube feeding; patients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Energy, protein and micronutrients changes side effects: at least one adverse gastrointestinal event compared with standard diet (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Protein, arginine, zinc and antioxidants vs standard diet or placebo

Gastrointestinal adverse events · residents of long‐term care (≥ 65 years) with pressure ulcers; inpatients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Protein, arginine, zinc and antioxidants changes side effects: at least one adverse gastrointestinal event compared with standard diet or placebo (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Arginine and micronutrients vs standard diet

Gastrointestinal adverse events · malnourished patients with pressure ulcers

It is very uncertain whether summary of findings table ‐ Arginine and micronutrients changes side effects: at least one adverse gastrointestinal event compared with standard diet (very low certainty).

1 finding from 1 review

Silver diamine fluoride (SDF) vs Sealants or resin infiltration

Adverse effects · Children and adults (with or without carious lesions)
1 finding from 1 review

Silver diamine fluoride (SDF) vs Atraumatic restorative treatment (ART) with glass ionomer cement (GIC) or glass ionomer material

Adverse effects · Children and adults (with or without carious lesions)
1 finding from 1 review

Silver diamine fluoride (SDF) plus fluoride varnish vs Sealants plus fluoride varnish (with or without restorations)

Adverse effects · Children and adults (with or without carious lesions)
1 finding from 1 review

Silver diamine fluoride (SDF) vs Glass ionomer cement (GIC) plus fluoride varnish

Adverse effects · Children and adults (with or without carious lesions)
1 finding from 1 review

Silver diamine fluoride (SDF) vs Silver nitrate plus fluoride varnish

Adverse effects · Children and adults (with or without carious lesions)
1 finding from 1 review