Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

260 questions · 267 findings · 107 reviews

No studies found 81 · 30.3%GRADE not reported 43 · 16.1%Very low 66 · 24.7%Low 40 · 15%Moderate 35 · 13.1%High 2 · 0.7%

Antihypertensive drug therapy vs control

Withdrawals due to adverse events · adults aged 18‐59 years with primary hypertension (mild to moderate systolic or diastolic hypertension)

It is very uncertain whether antihypertensive drug therapy changes withdrawal due to adverse events compared with control (very low certainty).

1 finding from 1 review

Xylitol vs control

Gastrointestinal adverse events · preventing acute otitis media in children up to 12 years of age

Xylitol showed no clear difference in gastrointestinal‐related adverse events compared with control (moderate certainty).

3 findings from 1 review

Intervention not reported

Incidence of adverse events ‐ co‐trimoxazole prophylaxis only · children with HIV infection aged 12 years and under

The intervention showed no clear difference in incidence of adverse events ‐ co‐trimoxazole prophylaxis only (moderate certainty).

1 finding from 1 review