Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,640 questions · 2,709 findings · 446 reviews

No studies found 593 · 21.9%GRADE not reported 241 · 8.9%Very low 538 · 19.9%Low 706 · 26.1%Moderate 516 · 19%High 115 · 4.2%

Intervention not reported

Face‐to‐face behavioral intervention vs minimal or no support (Measured 3 to 6 months with CO‐validated prolonged and continuous abstinence, and self‐reported abstinence) · people who use waterpipe

The intervention may leads to higher face‐to‐face behavioral intervention vs minimal or no support… (low certainty).

1 finding from 1 review

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