Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

260 questions · 267 findings · 107 reviews

No studies found 81 · 30.3%GRADE not reported 43 · 16.1%Very low 66 · 24.7%Low 40 · 15%Moderate 35 · 13.1%High 2 · 0.7%

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

Methylphenidate vs placebo or no intervention

Adverse events considered non‐serious (penicillin versus doxycycline) · Children and adolescents with ADHD

It is very uncertain whether methylphenidate changes proportion of participants with one or more adverse events… compared with placebo or no intervention (very low certainty).

1 finding from 1 review

Omega‐3 fatty acids and antioxidants vs standard diet or placebo

Study author‐reported adverse events · adults (aged 18 years or older), mechanically ventilated participants with ARDS as defined by the Berlin definition of ARDS or, for older…

It is very uncertain whether omega‐3 fatty acids and antioxidants changes total number of adverse events (study author reported anytime during… compared with placebo or standard nutrition (very low certainty).

1 finding from 1 review

Omega‐3 fatty acids and antioxidants vs standard diet or placebo

Gastrointestinal adverse events · adults (aged 18 years or older), mechanically ventilated participants with ARDS as defined by the Berlin definition of ARDS or, for older…

It is very uncertain whether omega‐3 fatty acids and antioxidants changes gastrointestinal adverse events (study author reported anytime… compared with placebo or standard nutrition (very low certainty).

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

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

Secondary outcome 6: adverse events (gastrointestinal symptoms) during active treatment Duration of · male and female patients 0 to 55 years of age with physician‐diagnosed eczema

The intervention showed no clear difference in secondary outcome 6: adverse events (gastrointestinal symptoms)… (low certainty).

1 finding from 1 review

Patching vs active observation

Minor adverse events Defined as any adverse event within 8 weeks of surgery that does not require further intervention · people with intermittent exotropia, aged less than 11 years

The review found no eligible studies for this question.

1 finding from 1 review

Bilateral lateral rectus recession vs lateral rectus recession and medial rectus resection

Minor adverse events Defined as any adverse event within 8 weeks of surgery that does not require further intervention · people with intermittent exotropia, aged 3 to < 11 years

Bilateral lateral rectus recession showed no clear difference in minor adverse events Defined as any adverse event within 8 weeks of… compared with unilateral lateral rectus recession with medial rectus resection (low certainty).

1 finding from 1 review

Loratadine 10 mg vs placebo (4‐week intervention)

Primary outcome 2. Proportion of participants reporting adverse effects and serious adverse events throughout the study period · adults with eczema

Loratadine 10 mg/d showed no clear difference in primary outcome 2. Proportion of participants reporting adverse… compared with placebo (4‐week intervention) (low certainty).

1 finding from 1 review

Rinse‐free hand wash vs control

Adverse skin reactions (within the study period) Calculated as: number of events Length of time observed: range = 5 to 8 months · children aged from birth to 14 years old

It is very uncertain whether rinse‐free hand wash changes adverse skin reactions (within the study period) Calculated as:… compared with control (very low certainty).

1 finding from 1 review

Intramedullary fixation vs open reduction and internal fixation with plate

Adverse events ‐ total of adverse events (various: mainly infection; cosmetic result ‐ e.g. prominent metalwork ‐ and symptomatic hardware) · adults (aged ≥ 16 years) with acute middle third clavicle fractures

It is very uncertain whether intramedullary fixation changes adverse events ‐ total of adverse events (various: mainly infection;… compared with open reduction and internal fixation with plate (very low certainty).

1 finding from 1 review

Two lag screws vs One lag screw (with arch bars and IMF)

Post-operative adverse events and complications · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement
1 finding from 1 review
  • Three participants in the two-lag-screws group experienced complications: malocclusion (one) and mental-nerve paraesthesia (two, resolved after 3 months). There were no post-operative complications in the one-lag-screw…
    1 study
    GRADE not reported

3-dimensional (3D) miniplates vs Standard (Champy) plates

Post-operative adverse events and complications · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement
1 finding from 1 review
  • Jain 2010 (3D group): segmental mobility (two), proximity to mental nerve or roots (two), radiologically unsatisfactory reduction (one) and unsatisfactory fixation (four) vs one (standard); only fixation differed…
    2 studies
    GRADE not reported

Locking plate vs 2 mm non-locking titanium plates

Post-operative adverse events and complications (paraesthesia, swelling, segmental mobility) · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement
1 finding from 1 review
  • Agarwal 2011: paraesthesia in one participant in the non-locking plate group (resolved by 3 months), none in the locking group; infection rates similar at 6 weeks and 3 months; post-operative swelling in 20% of both…
    1 study
    GRADE not reported