Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

116 questions · 120 findings · 14 reviews · Headline outcomes only

No studies found 14 · 11.7%GRADE not reported 5 · 4.2%Very low 29 · 24.2%Low 44 · 36.7%Moderate 27 · 22.5%High 1 · 0.8%

Antiplatelet drug vs control

Recurrent ischaemic or unknown stroke during treatment period · acute ischaemic stroke

It is very uncertain whether antiplatelet drug changes recurrent ischaemic/unknown stroke during treatment period compared with control (very low certainty).

1 finding from 1 review

Antiplatelet drug vs control

Symptomatic intracranial haemorrhage during treatment period · acute ischaemic stroke

It is very uncertain whether antiplatelet drug changes symptomatic intracranial haemorrhage during treatment period compared with control (very low certainty).

1 finding from 1 review

Antiplatelet drug vs control

Major extracranial haemorrhage during treatment period · acute ischaemic stroke

It is very uncertain whether antiplatelet drug changes major extracranial haemorrhage during treatment period compared with control (very low certainty).

1 finding from 1 review

Osmotic‐release oral system methylphenidate vs placebo

Proportion of individuals withdrawing from treatment · people with ADHD and epilepsy

Osmotic‐release oral system methylphenidate probably leads to higher proportion of people withdrawing from treatment compared with placebo (moderate certainty).

1 finding from 1 review