Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,752 questions · 6,648 findings · 688 reviews

No studies found 1,125 · 16.9%GRADE not reported 670 · 10.1%Very low 1,796 · 27%Low 1,685 · 25.3%Moderate 1,075 · 16.2%High 297 · 4.5%

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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

Intervention not reported

Bupropion · 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 bupropion (moderate 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 leads to higher fast‐acting NRT (nicotine other) (high certainty).

1 finding from 1 review

Intervention not reported

Non‐nicotine/placebo EC · 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 non‐nicotine/placebo EC (low certainty).

1 finding from 1 review

Intervention not reported

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

The intervention probably leads to higher nortriptyline (moderate certainty).

1 finding from 1 review

Shunting vs no shunting

Stroke‐related death within 30 days of surgery (best‐case) · patients with symptomatic or asymptomatic carotid disease

Shunting may leads to lower stroke‐related death within 30 days of surgery (best‐case) compared with no shunting (low certainty).

1 finding from 1 review

Shunting vs no shunting

Stroke‐related death within 30 days of surgery (worst‐case) · patients with symptomatic or asymptomatic carotid disease

Shunting showed no clear difference in stroke‐related death within 30 days of surgery (worst‐case) compared with no shunting (low certainty).

1 finding from 1 review