Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,199 questions · 1,226 findings · 451 reviews

No studies found 289 · 23.6%GRADE not reported 121 · 9.9%Very low 350 · 28.5%Low 279 · 22.8%Moderate 139 · 11.3%High 48 · 3.9%

Oral alkylating agents ± steroids vs steroids or placebo or both, or no treatment

Adverse events ‐ temporary or permanent discontinuation/hospitalisation at final · primary membranous nephropathy in adults with nephrotic syndrome

Oral alkylating agents ± steroids may leads to higher adverse events ‐ temporary/permanent discontinuation or… compared with placebo/no treatment/steroids (low certainty).

1 finding from 1 review

Calcineurin inhibitors ± steroids vs placebo/no treatment/supportive treatment/steroids

Adverse events ‐ temporary or permanent discontinuation/hospitalisation at final · primary membranous nephropathy in adults with nephrotic syndrome

It is very uncertain whether calcineurin inhibitors ± steroids changes adverse events ‐ temporary or permanent… compared with placebo/no treatment/supportive treatment/steroids (very low certainty).

1 finding from 1 review

Calcineurin inhibitors ± steroids vs alkylating agents ± steroids

Adverse events ‐ temporary or permanent discontinuation/hospitalisation at final · primary membranous nephropathy in adults with nephrotic syndrome

It is very uncertain whether calcineurin inhibitors ± steroids changes adverse events ‐ temporary or permanent… compared with alkylating agents ± steroids (very low certainty).

1 finding from 1 review

Live zoster vaccine vs placebo

Participants with adverse events ‐ injection site adverse events Clinical criteria · healthy older adults aged ≥ 60 years

Live zoster vaccine probably leads to higher participants with adverse events ‐ injection site adverse… compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

MST vs ECT ‐ adverse events that led to discontinuation of treatment (short term) · patients with schizophrenia
1 finding from 1 review

Neonatal vitamin A supplementation vs control

Adverse events during first 48‐72 hours post supplementation ‐ bulging fontanelle · mortality and morbidity in term neonates

Neonatal vitamin A supplementation leads to higher adverse events during first 48‐72 hours post supplementation ‐… compared with control (high certainty).

1 finding from 1 review

Intervention not reported

Adverse events: nephrolithiasis in trials using vitamin D3 combined with calcium ( · adults

The intervention probably leads to higher adverse events: nephrolithiasis in trials using vitamin D3 combined… (moderate certainty).

1 finding from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs Supra-gingival scaling

Adverse events (participants with adverse events or withdrawals due to adverse events) · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension
1 finding from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs No treatment (no periodontal treatment)

Adverse events (participants with adverse events or withdrawals due to adverse events) · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension
1 finding from 1 review
  • SoF 1 (Adverse effects): Only 1 study reported that 1 participant in the treatment group experienced a myocardial infarction during the study period. 1 study reported no adverse effects. The remaining 2 studies did not…
    2 studies · 294 participants
    Low

Zinc vs placebo

Risk of adverse events, including those that may be due to zinc supplements Duration of · adults and children with colds and/or upper respiratory infections
1 finding from 1 review

Recombinant zoster vaccine vs placebo

Participants with adverse events ‐ serious adverse events Clinical or laboratory criteria · healthy older adults aged ≥ 60 years

Recombinant zoster vaccine showed no clear difference in participants with adverse events ‐ serious adverse eventsClinical or… compared with placebo (moderate certainty).

1 finding from 1 review

Live zoster vaccine vs placebo

Systemic adverse events at · healthy older adults aged ≥ 60 years

Live zoster vaccine showed no clear difference in participants with adverse events ‐ systemic adverse eventsClinical… compared with placebo (moderate certainty).

1 finding from 1 review

Vaccination vs placebo

Serious adverse events among subjects in the adverse event substudy clinical manifestations · people at risk for postherpetic neuralgia

Vaccination leads to higher serious adverse events among subjects in the adverse event substudy… compared with placebo (high 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

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

Vitamin D vs placebo or no intervention

Adverse events ‐ Nephrolithiasis in trials using vitamin D3 combined with calcium · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D may leads to higher adverse events: nephrolithiasis in trials using vitamin… compared with placebo or no intervention (low certainty).

1 finding from 1 review

Recombinant zoster vaccine vs placebo

Participants with adverse events ‐ potential immune‐mediated disease Clinical or laboratory criteria · healthy older adults aged ≥ 60 years

Recombinant zoster vaccine showed no clear difference in participants with adverse events ‐ potential immune‐mediated… compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

Adverse events (Re‐operation for bleeding (reoperation for major bleeding within 30 days (yes/no))) · adults undergoing surgery

It is very uncertain whether the intervention changes adverse events (Re‐operation for bleeding (reoperation for major… (very low certainty).

1 finding from 1 review