Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,191 questions · 2,354 findings · 362 reviews

No studies found 323 · 13.7%GRADE not reported 382 · 16.2%Very low 555 · 23.6%Low 597 · 25.4%Moderate 345 · 14.7%High 152 · 6.5%

Higher‐dose vs lower‐dose nicotine patch

Smoking cessation · people who smoke

Higher‐dose showed no clear difference in smoking cessation ‐ 42/44 mg versus 21/22 mg (24‐hour patches) compared with lower‐dose nicotine patch (moderate certainty).

3 findings from 1 review

Higher‐dose vs lower‐dose nicotine patch

SAEs · people who smoke

Higher‐dose showed no clear difference in overall SAEs ‐ 42/44 mg versus 21/22 mg (24 hr patches) compared with lower‐dose nicotine patch (low certainty).

2 findings from 1 review

Higher‐dose vs lower‐dose nicotine patch

Treatment withdrawals ‐ 21 mg versus 14 mg (24‐hour patches) · people who smoke

Higher‐dose showed no clear difference in treatment withdrawals ‐ 21 mg versus 14 mg (24‐hour patches) compared with lower‐dose nicotine patch (low certainty).

1 finding from 1 review

Intervention not reported

Total studies: 93 Total participants: 22,558 · people with chronic pain Interventions: amitriptyline standard dose (25‐75 mg); desvenlafaxine high dose (> 50 mg); duloxetine low dose (<…

The intervention led to lower total studies: 93 Total participants: 22,558; GRADE not reported.

1 finding from 1 review