Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

31 questions · 33 findings · 4 reviews

No studies found 0 · 0%GRADE not reported 10 · 30.3%Very low 3 · 9.1%Low 14 · 42.4%Moderate 2 · 6.1%High 4 · 12.1%

Varenicline vs placebo

Change in weight (kg) · People who have quit smoking

Varenicline for smoking cessation showed no clear difference in mean weight change (kg) at end of treatment compared with placebo (high certainty).

3 findings from 1 review