Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,710 questions · 14,842 findings · 1,394 reviews

No studies found 2,880 · 19.4%GRADE not reported 1,413 · 9.5%Very low 3,103 · 20.9%Low 3,870 · 26.1%Moderate 2,663 · 17.9%High 913 · 6.2%

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Serenoa repens in combination with other phytotherapy vs placebo or no intervention

Urologic symptom scores · men with lower urinary tract symptoms secondary to benign prostatic obstruction

Serenoa repens in combination with other phytotherapy showed no clear difference in urologic symptom scoreMeasured by IPSS scores (range 0 to 35)Higher… compared with placebo or no intervention (low certainty).

1 finding from 1 review

Serenoa repens in combination with other phytotherapy vs placebo or no intervention

Adverse eventsCumulative incidence · men with lower urinary tract symptoms secondary to benign prostatic obstruction

Serenoa repens in combination with other phytotherapy showed no clear difference in adverse eventsCumulative incidence compared with placebo or no intervention (low certainty).

1 finding from 1 review

Lamotrigine vs placebo

50% or greater reduction in seizure frequency · people with drug‐resistant focal epilepsy

Summary of findings: lamotrigine probably leads to higher 50% or greater reduction in seizure frequency (ITT analysis) compared with placebo (moderate certainty).

1 finding from 1 review

Any glucocorticoid vs placebo

Change in croup score. · children with croup
4 findings from 1 review
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Any glucocorticoid vs placebo

Return visits or (re)admissions or both · children with croup

Any glucocorticoid may leads to lower return visits or (re)admissions or both compared with placebo (low certainty).

1 finding from 1 review