Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

10 questions · 10 findings · 7 reviews · Headline outcomes only

No studies found 2 · 20%GRADE not reported 0 · 0%Very low 2 · 20%Low 1 · 10%Moderate 3 · 30%High 2 · 20%

Evening vs morning dosing regimen

Overall adverse events · adults with primary (essential) hypertension whose systolic or diastolic (or both) blood pressure levels were 130/80 mmHg or greater

It is very uncertain whether evening changes overall adverse events compared with morning dosing regimen (very low certainty).

1 finding from 1 review

Amitriptyline vs placebo

Adverse effects (drop‐outs due to adverse effects4) · adults with Major Depressive Disorder

Amitriptyline probably leads to higher overall tolerability Drop‐out due to adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Nonavalent HPV vaccine vs quadrivalent HPV vaccine

Overall local/injection site adverse events at 15‐day · 9‐ to 26‐year‐old females and males

Nonavalent HPV vaccine leads to higher overall local/injection site adverse events at 15‐day compared with quadrivalent HPV vaccine (high certainty).

1 finding from 1 review