Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,661 questions · 2,751 findings · 453 reviews

No studies found 593 · 21.6%GRADE not reported 277 · 10.1%Very low 538 · 19.6%Low 712 · 25.9%Moderate 516 · 18.8%High 115 · 4.2%

Varenicline vs e‐cigarettes

Smoking abstinence at longest · people who continued to smoke tobacco following acute coronary syndrome

It is very uncertain whether varenicline changes smoking abstinence at longest compared with e‐cigarettes (very low certainty).

1 finding from 1 review

Totally percutaneous vs cut‐down femoral artery access

Medium‐ to long‐term complications( · people undergoing elective bifurcated abdominal endovascular aneurysm repair

Totally percutaneous showed no clear difference in medium‐ to long‐term complications( compared with cut‐down femoral artery access (moderate certainty).

1 finding from 1 review

Peritoneoscopic vs open surgical PD catheter insertion

Long‐term PD catheter function (> 4 weeks following PD catheter insertion) · improving catheter function and clinical outcomes in PD patients

It is very uncertain whether peritoneoscopic changes long‐term PD catheter function (> 4 weeks following PD catheter… compared with open surgical PD catheter insertion (very low certainty).

1 finding from 1 review