Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,149 questions · 1,211 findings · 179 reviews

No studies found 175 · 14.5%GRADE not reported 86 · 7.1%Very low 286 · 23.6%Low 341 · 28.2%Moderate 254 · 21%High 69 · 5.7%

Summary of findings table ‐ Cannabis vs placebo

Specific AEs: number of participants reporting drug tolerance ( · health problem or population

It is very uncertain whether summary of findings table ‐ Cannabis changes specific AEs: number of participants reporting drug tolerance ( compared with placebo (very low certainty).

1 finding from 1 review

Dual vs one antiplatelet agent

Stroke, myocardial infarction, or vascular death · preventing early recurrence after ischaemic stroke or TIA

Dual probably leads to lower stroke, myocardial infarction, or vascular death compared with one antiplatelet agent (moderate certainty).

1 finding from 1 review