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Evidence found and GRADE certainty

4,808 questions · 8,953 findings · 827 reviews · Headline outcomes only

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No studies found 1,891 · 21.1%GRADE not reported 380 · 4.2%Very low 2,100 · 23.5%Low 2,449 · 27.4%Moderate 1,684 · 18.8%High 449 · 5%

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Marine‐derived n‐3 fatty acids therapy vs No marine‐derived n‐3 fatty acids therapy

Recurrent events: fatal or non‐fatal (same type of stroke, i.e. ischaemic or haemorrhagic) · stroke and/or TIA

It is very uncertain whether marine‐derived n‐3 fatty acids therapy changes recurrent events: fatal or non‐fatal (same type of stroke, i.e.… compared with no marine‐derived n‐3 fatty acids therapy (very low certainty).

1 finding from 1 review

Perioperative restrictive fluid therapy vs goal‐directed fluid therapy

Major complications · adults receiving intravenous fluids while undergoing major non‐cardiac surgery

It is very uncertain whether perioperative restrictive fluid therapy changes major complications (during longest compared with goal‐directed fluid therapy (very low certainty).

1 finding from 1 review

Perioperative restrictive fluid therapy vs goal‐directed fluid therapy

Mortality within the longest · adults receiving intravenous fluids while undergoing major non‐cardiac surgery

It is very uncertain whether perioperative restrictive fluid therapy changes all‐cause mortality (during longest compared with goal‐directed fluid therapy (very low certainty).

1 finding from 1 review

Perioperative restrictive fluid therapy vs goal‐directed fluid therapy

Length of hospital stay · adults receiving intravenous fluids while undergoing major non‐cardiac surgery

It is very uncertain whether perioperative restrictive fluid therapy changes length of hospital stay (days) compared with goal‐directed fluid therapy (very low certainty).

1 finding from 1 review

Perioperative restrictive fluid therapy vs goal‐directed fluid therapy

Surgery‐related complications (during longest · adults receiving intravenous fluids while undergoing major non‐cardiac surgery

It is very uncertain whether perioperative restrictive fluid therapy changes surgery‐related complications (during longest compared with goal‐directed fluid therapy (very low certainty).

1 finding from 1 review

Perioperative restrictive fluid therapy vs goal‐directed fluid therapy

Non‐surgery‐related complications (during longest · adults receiving intravenous fluids while undergoing major non‐cardiac surgery

It is very uncertain whether perioperative restrictive fluid therapy changes non‐surgery‐related complications (during longest compared with goal‐directed fluid therapy (very low certainty).

1 finding from 1 review

Perioperative restrictive fluid therapy vs goal‐directed fluid therapy

Renal failure · adults receiving intravenous fluids while undergoing major non‐cardiac surgery

It is very uncertain whether perioperative restrictive fluid therapy changes renal failure (during longest compared with goal‐directed fluid therapy (very low certainty).

1 finding from 1 review