Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,097 questions · 3,266 findings · 631 reviews

No studies found 430 · 13.2%GRADE not reported 193 · 5.9%Very low 995 · 30.5%Low 904 · 27.7%Moderate 591 · 18.1%High 153 · 4.7%

Intervention not reported

First recurrence · high‐risk melanoma participants

The intervention leads to lower first recurrence (high certainty).

1 finding from 1 review

SiT for maintenance/relief vs higher‐dose ICS/LABA + SABA

Exacerbations requiring oral corticosteroids ‐ adults · Studies recruited adults and adolescents aged 12 and older with chronic asthma

SiT for maintenance/relief leads to lower patients with exacerbations requiring oral steroids compared with higher‐dose ICS/LABA + SABA (high certainty).

1 finding from 1 review

SiT for maintenance/relief vs higher‐dose ICS/LABA + SABA

Patients with serious adverse events · Studies recruited adults and adolescents aged 12 and older with chronic asthma

SiT for maintenance/relief showed no clear difference in patients with serious adverse events compared with higher‐dose ICS/LABA + SABA (moderate certainty).

1 finding from 1 review

SiT for maintenance/relief vs higher‐dose ICS/LABA + SABA

Patients with severe exacerbations (requiring hospitalisation or ER visit) · Studies recruited adults and adolescents aged 12 and older with chronic asthma

SiT for maintenance/relief leads to lower patients with severe exacerbations (requiring hospitalisation or ER… compared with higher‐dose ICS/LABA + SABA (high certainty).

1 finding from 1 review

Anti‐leukotrienes & ICS vs ICS dose increase

Number of participants experiencing one or more episode requiring treatment with oral steroids · children with asthma

Anti‐leukotrienes & ICS may leads to lower participants with one or more exacerbations requiring oral… compared with higher dose ICS (low certainty).

1 finding from 1 review

Brush biopsy (oral cytology) vs No screening

Outcome not reported · Planned population: general population or high-risk / opportunistic screening groups (no eligible study)

The review found no eligible studies for this question.

1 finding from 1 review

Fluorescence imaging / light-based techniques vs No screening

Outcome not reported · Planned population: general population or high-risk / opportunistic screening groups (no eligible study)

The review found no eligible studies for this question.

1 finding from 1 review

Low-gold (Midas) or silver-palladium (Albacast) alloy FDP vs High-gold content control alloy (JS C) FDP

Visual marginal discrepancy (3 years) · Patients receiving single crowns and FDPs; split-mouth

Low-gold (Midas) or silver-palladium (Albacast) alloy FDP showed no clear difference in visual marginal discrepancy (3 years) compared with high-gold content control alloy (JS C) FDP; GRADE not reported.

1 finding from 1 review

Alternative alloy FDP (e.g., Ceramalloy II / base-metal / palladium-silver) vs High-gold content control alloy FDP (Olympia)

Restoration survival · Patients receiving crowns and FDPs; split-mouth, 10-year

Alternative alloy FDP (e.g., Ceramalloy II / base-metal /… led to higher restoration survival (Ceramalloy II versus Olympia) compared with high-gold content control alloy FDP (Olympia); GRADE not reported.

1 finding from 1 review

Titanium framework FDP vs High-gold content alloy framework FDP

Unacceptable restoration (poor marginal integrity / restoration removal) · Partially edentulous patients receiving tooth-supported FDPs

Titanium framework FDP led to higher unacceptable restoration (poor marginal integrity / restoration… compared with high-gold content alloy framework FDP; GRADE not reported.

1 finding from 1 review

Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)

Bleeding: Numbers of patients with at least one significant bleeding event · People with a haematological disorder

Prophylactic platelet transfusion at threshold of 10,000 showed no clear difference in bleeding: Numbers of patients with at least one significant bleeding… compared with higher transfusion threshold (20,000 or 30,000) (moderate certainty).

1 finding from 1 review

Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)

Mortality: secondary to bleeding · People with a haematological disorder

Prophylactic platelet transfusion at threshold of 10,000 showed no clear difference in mortality: secondary to bleeding compared with higher transfusion threshold (20,000 or 30,000) (low certainty).

1 finding from 1 review