Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,749 questions · 17,858 findings · 1,266 reviews

No studies found 4,359 · 24.4%GRADE not reported 2,348 · 13.1%Very low 4,634 · 25.9%Low 4,000 · 22.4%Moderate 2,052 · 11.5%High 465 · 2.6%

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Intervention not reported

Nicotine tapering · adults (aged ≥ 18 years) who smoked cigarettes Components: components of pharmacological and e‐cigarette (EC) interventions for smoking…

The intervention showed no clear difference in nicotine tapering (low certainty).

1 finding from 1 review

Intervention not reported

Nicotine patch · adults (aged ≥ 18 years) who smoked cigarettes Components: components of pharmacological and e‐cigarette (EC) interventions for smoking…

The intervention showed no clear difference in nicotine patch (low certainty).

1 finding from 1 review

Intervention not reported

Fast‐acting NRT (nicotine other) · adults (aged ≥ 18 years) who smoked cigarettes Components: components of pharmacological and e‐cigarette (EC) interventions for smoking…

The intervention showed no clear difference in fast‐acting NRT (nicotine other) (low certainty).

1 finding from 1 review