Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,703 questions · 15,007 findings · 1,416 reviews

No studies found 2,881 · 19.2%GRADE not reported 1,551 · 10.3%Very low 3,111 · 20.7%Low 3,881 · 25.9%Moderate 2,669 · 17.8%High 914 · 6.1%

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Any cranberry product vs placebo or control

Symptomatic, culture‐verified UTI Adults with bladder emptying issues or multiple sclerosis · preventing UTI

Any cranberry product showed no clear difference in symptomatic, culture‐verified UTI Adults with bladder emptying… compared with placebo or control (low certainty).

1 finding from 1 review

Any cranberry product vs placebo or control

Symptomatic, culture‐verified UTI People with a susceptibility to a UTI due to an intervention · preventing UTI

Any cranberry product may leads to lower symptomatic, culture‐verified UTI People with a susceptibility to a… compared with placebo or control (low certainty).

1 finding from 1 review

Serenoa repens vs placebo or no intervention

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

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

1 finding from 1 review

Serenoa repens vs placebo or no intervention

QoL · men with lower urinary tract symptoms secondary to benign prostatic obstruction

Serenoa repens showed no clear difference in quality of lifeMeasured by IPSS‐QoL score (range 0 to 6) compared with placebo or no intervention (high certainty).

1 finding from 1 review

Serenoa repens vs placebo or no intervention

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

Serenoa repens showed no clear difference in adverse eventsCumulative incidence compared with placebo or no intervention (moderate certainty).

1 finding from 1 review

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