Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 1 · 50%Moderate 0 · 0%High 0 · 0%

Longer vs shorter duration of combination nicotine replacement therapy

Smoking cessation · people who smoke

Longer showed no clear difference in smoking cessation ‐ 6 weeks versus 2 weeks compared with shorter duration of combination nicotine replacement therapy (low certainty).

1 finding from 1 review

Different doses, durations and modes of delivery of nicotine replacement therapy for smoking cessation 2023 · Cochrane Headline outcomes only
RR 1.11 [0.94, 1.31]
1 study · 987 participants
Low

Longer vs shorter duration of combination nicotine replacement therapy

Smoking cessation ‐ 16 weeks versus 8 weeks · people who smoke

It is very uncertain whether longer changes smoking cessation ‐ 16 weeks versus 8 weeks compared with shorter duration of combination nicotine replacement therapy (very low certainty).

1 finding from 1 review

Different doses, durations and modes of delivery of nicotine replacement therapy for smoking cessation 2023 · Cochrane Headline outcomes only
RR 0.96 [0.75, 1.23]
1 study · 637 participants
Very low