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%

Summary of findings: whole‐body cryotherapy (WBC) vs control (no WBC or passive rest)

Adverse events · physically‐active adults partaking in exercise designed to produce delayed onset muscle soreness (most trial participants were male)

The review found no eligible studies for this question.

1 finding from 1 review

Prophylactic systemic antibiotics (amoxicillin) vs placebo or no antibiotic

Adverse events · Adults undergoing dental implant placement

Prophylactic systemic antibiotics (amoxicillin) showed no clear difference in adverse events compared with no antibiotics or placebo; GRADE not reported.

1 finding from 1 review

Acetaminophen plus Diphenhydrammine vs placebo (Unit of randomisation: transfusion)

Adverse events · patients with requirement of prophylaxis to avoid allergic and febrile non‐haemolytic transfusion reactions

Acetaminophen plus Diphenhydrammine led to lower adverse events compared with placebo (Unit of randomisation: transfusion); GRADE not reported.

1 finding from 1 review

Acetaminophen plus Diphenhydramine vs placebo

Adverse events · patients with requirement of prophylaxis to avoid allergic and febrile non‐haemolytic transfusion reactions

Acetaminophen plus Diphenhydramine led to lower adverse events compared with placebo; GRADE not reported.

1 finding from 1 review

Summary of findings table ‐ Rifaximin vs non‐absorbable disaccharide

Non‐serious adverse events ‐ total number of participants · prevention and treatment of hepatic encephalopathy in people with cirrhosis

It is very uncertain whether summary of findings table ‐ Rifaximin changes non‐serious adverse events ‐ total number of participants compared with non‐absorbable disaccharide (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Rifaximin plus non‐absorbable disaccharides vs non‐absorbable disaccharide

Non‐serious adverse events ‐ total number of participants · prevention and treatment of hepatic encephalopathy in people with cirrhosis

It is very uncertain whether summary of findings table ‐ Rifaximin plus non‐absorbable… changes non‐serious adverse events ‐ total number of participants compared with non‐absorbable disaccharides alone (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Rifaximin vs placebo or no intervention

Non‐serious adverse events ‐ total number of particiapnts · prevention and treatment of hepatic encephalopathy in people with cirrhosis

It is very uncertain whether summary of findings table ‐ Rifaximin changes non‐serious adverse events ‐ total number of particiapnts compared with placebo/no intervention (very low certainty).

1 finding from 1 review

Intramuscular ceftriaxone vs oral amoxicillin plus oral probenecid

Adverse events including treatment‐related adverse events · pregnant women with gonorrhoea infection

It is very uncertain whether intramuscular ceftriaxone changes adverse events including treatment‐related adverse events compared with oral amoxicillin plus oral probenecid (very low certainty).

1 finding from 1 review

Single‐fraction radiotherapy (8 Gy) vs short‐course radiotherapy (16 Gy

Adverse events Grade 3 oesophagitis, diarrhoea and nausea · adults with metastatic extradural spinal cord compression (poor prognosis with visceral metastasis, and no spinal instability or bony…

Single‐fraction radiotherapy (8 Gy) showed no clear difference in adverse events Grade 3 oesophagitis, diarrhoea and nausea compared with short‐course radiotherapy (16 Gy (moderate certainty).

1 finding from 1 review