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What do systematic reviews say?

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Evidence found and GRADE certainty

4,710 questions · 14,842 findings · 1,394 reviews

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No studies found 2,880 · 19.4%GRADE not reported 1,413 · 9.5%Very low 3,103 · 20.9%Low 3,870 · 26.1%Moderate 2,663 · 17.9%High 913 · 6.2%

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High‐dose colchicine vs placebo

Total adverse events · acute gout

High‐dose colchicine may leads to higher total adverse events compared with placebo (low certainty).

1 finding from 1 review

Low‐dose colchicine vs placebo

Participant global assessment of treatment success: proportion with 50% or greater decrease in pain score from baseline ‐ 32 to 36 hours · acute gout

Low‐dose colchicine may leads to higher participant global assessment of treatment success: proportion with… compared with placebo (low certainty).

1 finding from 1 review

Low‐dose colchicine vs placebo

Reduction of inflammation ‐ not measured · acute gout

The review found no eligible studies for this question.

1 finding from 1 review

Low‐dose colchicine vs placebo

Function of target joint ‐ not measured · acute gout

The review found no eligible studies for this question.

1 finding from 1 review

Low‐dose colchicine vs placebo

Total adverse events · acute gout

Low‐dose colchicine showed no clear difference in total adverse events compared with placebo (low certainty).

1 finding from 1 review

High‐dose colchicine vs placebo

Participant global assessment of treatment success: proportion with 50% or greater decrease in pain score from baseline ‐ 32 to 36 hours · acute gout

High‐dose colchicine may leads to higher participant global assessment of treatment success: proportion with… compared with placebo (low certainty).

1 finding from 1 review

Nicotine replacement therapy vs placebo

Change in weight (kg) · People who have quit smoking

Nicotine replacement therapy for smoking cessation showed no clear difference in mean weight change (kg) at end of treatment compared with placebo (moderate certainty).

3 findings from 1 review

Varenicline vs placebo

Change in weight (kg) · People who have quit smoking

Varenicline for smoking cessation showed no clear difference in mean weight change (kg) at end of treatment compared with placebo (high certainty).

3 findings from 1 review

Fluoexetine vs placebo

Change in weight (kg) · People who have quit smoking

Fluoexetine showed no clear difference in mean weight change (kg) at end of treatment compared with placebo (low certainty).

2 findings from 1 review