Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

254 questions · 255 findings · 98 reviews

No studies found 91 · 35.7%GRADE not reported 15 · 5.9%Very low 85 · 33.3%Low 36 · 14.1%Moderate 21 · 8.2%High 7 · 2.7%

Ascorbic acid vs placebo

Serious adverse events · people with fatigue in peripheral neuropathy

Ascorbic acid showed no clear difference in serious adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Sclerotherapy vs no intervention

Serious adverse events and liver‐related morbidity: incidence of bleeding from gastric varices · primary prophylaxis of oesophageal variceal bleeding in children with chronic liver disease or portal vein thrombosis

It is very uncertain whether sclerotherapy changes serious adverse events and liver‐related morbidity: incidence of… compared with no intervention (very low certainty).

1 finding from 1 review

Radix Sophorae flavescentis vs placebo or no intervention

Non‐serious adverse events Maximum · chronic hepatitis B

It is very uncertain whether radix Sophorae flavescentis changes proportion of participants with 1 or more adverse events considered… compared with no intervention or placebo (very low certainty).

1 finding from 1 review

Sclerotherapy vs no intervention

Serious adverse events and liver‐related morbidity: incidence of congestive hypertensive gastropathy · primary prophylaxis of oesophageal variceal bleeding in children with chronic liver disease or portal vein thrombosis

It is very uncertain whether sclerotherapy changes serious adverse events and liver‐related morbidity: incidence of… compared with no intervention (very low certainty).

1 finding from 1 review

Leflunomide vs methotrexate

Serious adverse events* · adults with renal vasculitis for maintenance therapy

Leflunomide showed no clear difference in serious adverse events* compared with methotrexate (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no intervention

Adverse events considered non‐serious · people with leptospirosis

It is very uncertain whether summary of findings table ‐ Antibiotics changes adverse events considered non‐serious compared with placebo or no intervention (very low certainty).

1 finding from 1 review