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. 2023 Jan 26;2023(1):CD012144. doi: 10.1002/14651858.CD012144.pub3

Summary of findings 3. Summary of findings table ‐ Starting long‐term oral antiplatelet therapy compared to avoiding antithrombotic therapy for survivors of stroke due to intracerebral haemorrhage.

Starting long‐term oral antiplatelet therapy compared to avoiding antithrombotic therapy for survivors of stroke due to intracerebral haemorrhage
Patient or population: survivors of stroke due to intracerebral haemorrhage
Setting: Secondary care
Intervention: starting long‐term oral antiplatelet therapy
Comparison: avoiding antithrombotic therapy
Outcomes Anticipated absolute effects* (95% CI) Relative effect
(95% CI) № of participants
(studies) Certainty of the evidence
(GRADE) Comments
Risk with avoiding antithrombotic therapy Risk with starting long‐term oral antiplatelet therapy
MACE
assessed with: clinical assessment
follow‐up: median 2 years 228 per 1000 203 per 1000
(146 to 278) RR 0.89
(0.64 to 1.22) 536
(1 RCT) ⊕⊕⊕⊝
Moderatea,b  
Death
assessed with: clinical assessment
follow‐up: median 2 years 187 per 1000 201 per 1000
(142 to 285) RR 1.08
(0.76 to 1.53) 536
(1 RCT) ⊕⊕⊕⊝
Moderatea,b  
All major occlusive vascular events
assessed with: clinical assessment
follow‐up: median 2 years 142 per 1000 146 per 1000
(96 to 220) RR 1.03
(0.68 to 1.55) 536
(1 RCT) ⊕⊕⊕⊝
Moderateb  
Intracerebral haemorrhage (ICH)
assessed with: clinical assessment
follow‐up: median 2 years 86 per 1000 45 per 1000
(23 to 88) RR 0.52
(0.27 to 1.03) 536
(1 RCT) ⊕⊕⊕⊝
Moderatea,b  
Fnctional status (mRS 0‐2)
assessed with: clinical assessment
follow‐up: 1 years 433 per 1000 411 per 1000
(333 to 511) RR 0.95
(0.77 to 1.18) 461
(1 RCT) ⊕⊕⊕⊝
Moderateb  
*The risk in the intervention group (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).

CI: confidence interval; RR: risk ratio
GRADE Working Group grades of evidenceHigh certainty: we are very confident that the true effect lies close to that of the estimate of the effect.
Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different.
Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect.
Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect.
See interactive version of this table: https://gdt.gradepro.org/presentations/#/isof/isof_question_revman_web_431448890153987933.

a The included randomised trial was open label but outcomes were objective.
b Only one randomised trial with 537 participants.