Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,749 questions · 14,273 findings · 834 reviews

No studies found 3,655 · 25.6%GRADE not reported 2,115 · 14.8%Very low 3,646 · 25.5%Low 3,034 · 21.3%Moderate 1,503 · 10.5%High 320 · 2.2%

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Concomitant (concurrent) chemoradiotherapy vs Radiotherapy alone

Overall survival, adjuvant concomitant chemoradiotherapy vs post-surgery radiotherapy alone · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer

Concomitant (concurrent) chemoradiotherapy probably leads to lower overall survival, concurrent chemoradiotherapy vs radiotherapy alone… compared with radiotherapy alone (non-resectable tumours) (moderate certainty).

1 finding from 1 review

Alarm vs other behavioural interventions

Proportion of children achieving 14 consecutive dry nights by the end of treatment · children with nocturnal enuresis

Alarm showed no clear difference in proportion of children achieving 14 consecutive dry nights by the… compared with other behavioural interventions (low certainty).

1 finding from 1 review

Azathioprine vs cyclophosphamide

Relapse · adults with renal vasculitis for maintenance therapy

Azathioprine showed no clear difference in relapse at 18 months compared with cyclophosphamide (moderate certainty).

2 findings from 1 review

Azathioprine vs cyclophosphamide

Serious adverse events · adults with renal vasculitis for maintenance therapy

Azathioprine showed no clear difference in serious adverse events compared with cyclophosphamide (moderate certainty).

1 finding from 1 review

Azathioprine vs methotrexate

Adverse event causing death or study drug discontinuation · adults with renal vasculitis for maintenance therapy

Azathioprine showed no clear difference in adverse events causing death or study drug discontinuation compared with methotrexate (low certainty).

1 finding from 1 review

Antibiotics vs placebo

Death at 6 months · adults with renal vasculitis for maintenance therapy

Antibiotics showed no clear difference in death at 6 months compared with placebo (low certainty).

1 finding from 1 review