Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

118 questions · 126 findings · 54 reviews

No studies found 22 · 17.5%GRADE not reported 8 · 6.3%Very low 41 · 32.5%Low 33 · 26.2%Moderate 20 · 15.9%High 2 · 1.6%

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

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

Timing of wound closure (immediate vs delayed)

Adverse events ‐ superficial infection · adults with open long bone fractures of the upper and lower limbs

It is very uncertain whether timing of wound closure (immediate changes adverse events ‐ superficial infection compared with delayed) (very low certainty).

1 finding from 1 review

Oral paracetamol vs placebo

Patients with one or more adverse events · Patients requiring surgical removal of a lower wisdom tooth or teeth, with baseline moderate to severe pain (surgery under local…

Paracetamol (single oral dose, any dose or formulation; subgroups up… showed no clear difference in patients with one or more adverse events compared with placebo; GRADE not reported.

1 finding from 1 review

BoNT‐A vs usual care or physiotherapy

Adverse events · children with CP

The review found no eligible studies for this question.

3 findings from 1 review

BoNT‐A vs sham

Adverse events · children with CP

BoNT‐A showed no clear difference in adverse events compared with placebo or sham (moderate certainty).

3 findings from 1 review

BoNT‐A vs serial casting

Adverse events · children with CP

BoNT‐A showed no clear difference in adverse events compared with serial casting (low certainty).

3 findings from 1 review

PDEI + 5‐ARI vs 5‐ARI alone

Adverse events

The review found no eligible studies for this question.

2 findings from 1 review