Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,783 questions · 10,022 findings · 882 reviews

No studies found 2,100 · 21%GRADE not reported 1,013 · 10.1%Very low 2,237 · 22.3%Low 2,514 · 25.1%Moderate 1,709 · 17.1%High 449 · 4.5%

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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

Longer vs shorter duration of combination nicotine replacement therapy

SAEs · people who smoke

It is very uncertain whether longer changes overall SAEs ‐ 26 weeks versus 8 weeks compared with shorter duration of combination nicotine replacement therapy (very low certainty).

3 findings from 1 review

Platinum doublet vs non‐platinum therapy

Overall survival · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet probably leads to lower overall survival compared with non‐platinum therapy (moderate certainty).

1 finding from 1 review

Platinum doublet vs non‐platinum therapy

12‐month survival rates · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet probably leads to lower 12‐month survival rates compared with non‐platinum therapy (moderate certainty).

1 finding from 1 review

Platinum doublet vs non‐platinum therapy

Progression‐free survival · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet probably leads to lower progression‐free survival compared with non‐platinum therapy (moderate certainty).

1 finding from 1 review

Platinum doublet vs non‐platinum therapy

Tumor response rate · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet probably leads to higher tumor response rate compared with non‐platinum therapy (moderate certainty).

1 finding from 1 review

Platinum doublet vs non‐platinum therapy

Toxicity – anemia grade 3–5 · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet showed no clear difference in toxicity – anemia grade 3–5 compared with non‐platinum therapy (low certainty).

1 finding from 1 review

Platinum doublet vs non‐platinum therapy

Toxicity – neutropenia grade 3–5 · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet may leads to higher toxicity – neutropenia grade 3–5 compared with non‐platinum therapy (low certainty).

1 finding from 1 review

Platinum doublet vs non‐platinum therapy

Toxicity – thrombocytopenia grade 3–5 · people with advanced non‐small cell lung cancer, performance status 2 without a targetable mutation or with an unknown mutation status

Platinum doublet may leads to higher toxicity – thrombocytopenia grade 3–5 compared with non‐platinum therapy (low certainty).

1 finding from 1 review