Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,234 questions · 3,357 findings · 396 reviews

No studies found 803 · 23.9%GRADE not reported 270 · 8%Very low 757 · 22.5%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Targeted or adjustable individualized fortification vs standard non‐individualized fortification

Retinopathy of prematurity · promoting growth and development in very low birth weight infants receiving human milk

It is very uncertain whether targeted or adjustable individualized fortification changes retinopathy of prematurity, any compared with standard non‐individualized fortification (very low certainty).

1 finding from 1 review

Intervention not reported

Minor adverse events** ‒short‐term (> 2 weeks but ≤ 3 months) Minor adverse events provided as the proportion of patients reporting any untoward medical occurrence after an epidural injection without hospitalisations. · lumbosacral radicular pain

It is very uncertain whether the intervention changes minor adverse events** ‒short‐term (> 2 weeks but ≤ 3 months) Minor… (very low certainty).

1 finding from 1 review

Topical antibiotics with steroids vs topical steroid

Minor adverse events not leading to withdrawal of treatment · people with eczema

It is very uncertain whether topical steroid plus topical antibiotic changes minor adverse events not requiring withdrawal from treatment compared with topical steroid (very low certainty).

1 finding from 1 review

Erythromycin vs placebo

Adverse events: minor gastrointestinal symptoms · pityriasis rosea

Erythromycin showed no clear difference in minor participant‐reported adverse events not requiring withdrawal… compared with placebo (moderate certainty).

1 finding from 1 review

Azithromycin vs placebo or vitamins

Minor participant‐reported adverse events not requiring withdrawal of the treatment: Mild abdominal pain. · pityriasis rosea

Azithromycin showed no clear difference in minor participant‐reported adverse events not requiring withdrawal… compared with placebo or vitamins (moderate certainty).

1 finding from 1 review

Acyclovir vs placebo, vitamins, or no treatment

Minor adverse events not leading to withdrawal of treatment · pityriasis rosea

Acyclovir showed no clear difference in minor participant‐reported adverse events not requiring withdrawal… compared with placebo, vitamins, or no treatment (moderate certainty).

1 finding from 1 review

Acyclovir + calamine + cetirizine vs calamine + cetirizine

Minor participant‐reported adverse events not requiring withdrawal of the treatment: Headache. · pityriasis rosea

Acyclovir + calamine + cetirizine showed no clear difference in minor participant‐reported adverse events not requiring withdrawal… compared with calamine + cetirizine (low certainty).

1 finding from 1 review

Clarithromycin vs placebo

Minor adverse events not leading to withdrawal of treatment · pityriasis rosea

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Liver dysfunction: proportion with changed aspartate aminotransferase or alanine aminotransferase levels (> 3x ULN) ‐ at all time points · children with familial hypercholesterolemia
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

Staple food fortified with vitamin A plus other micronutrients vs no intervention

Subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L or less) · general population over 2 years of age

It is very uncertain whether staple food fortified with vitamin A plus other micronutrients changes subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L… compared with no intervention (very low certainty).

1 finding from 1 review