Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,361 questions · 1,518 findings · 352 reviews

No studies found 73 · 4.8%GRADE not reported 211 · 13.9%Very low 500 · 32.9%Low 411 · 27.1%Moderate 252 · 16.6%High 71 · 4.7%

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

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

Prophylactic valaciclovir (lower dose) vs Prophylactic valaciclovir (higher dose)

Presence/absence of HSV oral lesions · Patients being treated for cancer (acute leukaemia; chemotherapy or stem-cell transplantation)

Prophylactic valaciclovir (lower dose) showed no clear difference in presence/absence of HSV oral lesions compared with prophylactic valaciclovir (higher dose); GRADE not reported.

1 finding from 1 review

Prophylactic valaciclovir (lower dose) vs Prophylactic valaciclovir (higher dose)

Viral isolates · Patients being treated for cancer (acute leukaemia; chemotherapy or stem-cell transplantation)
1 finding from 1 review

Prophylactic valaciclovir (lower dose) vs Prophylactic valaciclovir (higher dose)

Adverse effects · Patients being treated for cancer (acute leukaemia; chemotherapy or stem-cell transplantation)
1 finding from 1 review