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Evidence found and GRADE certainty

27 questions · 27 findings · 6 reviews

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No studies found 8 · 29.6%GRADE not reported 0 · 0%Very low 5 · 18.5%Low 11 · 40.7%Moderate 2 · 7.4%High 1 · 3.7%

Intervention not reported

30‐day mortality4 · individuals with atrial fibrillation who are undergoing cardiac surgery

The intervention showed no clear difference in 30‐day mortality4 (low certainty).

1 finding from 1 review

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies (EpAbs) vs saline placebo

All‐cause mortality (by day 28) · individuals with moderate or severe COVID‐19

RBD‐specific polyclonal F(ab') 2 fragments of equine antibodies… showed no clear difference in all‐cause mortality (by day 28) compared with saline placebo (low certainty).

1 finding from 1 review

Summary of findings table ‐ Corticosteroids plus standard care vs placebo or usual care

All‐cause mortality up to 30 days · hospitalised and unvaccinated individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19

Summary of findings table ‐ Corticosteroids plus standard care probably leads to lower all‐cause mortality up to 30 days compared with standard care (plus/minus placebo) (moderate certainty).

1 finding from 1 review

Summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) vs low‐dose dexamethasone (6 mg to 8 mg)

All‐cause mortality up to 30 days · hospitalised individuals with unknown vaccination status and a confirmed diagnosis of symptomatic COVID‐19

Summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) showed no clear difference in all‐cause mortality up to 30 days compared with low‐dose dexamethasone (6 mg to 8 mg) (low certainty).

1 finding from 1 review

Summary of findings table ‐ Methylprednisolone vs dexamethasone

All‐cause mortality up to 30 days · hospitalised and unvaccinated individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19

It is very uncertain whether summary of findings table ‐ Methylprednisolone changes all‐cause mortality up to 30 days compared with dexamethasone (very low certainty).

1 finding from 1 review

Summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) vs low‐dose dexamethasone (6 mg to 8 mg)

All‐cause mortality up to 120 days · hospitalised individuals with unknown vaccination status and a confirmed diagnosis of symptomatic COVID‐19

It is very uncertain whether summary of findings table ‐ High‐dose dexamethasone (12 mg or higher) changes all‐cause mortality up to 120 days compared with low‐dose dexamethasone (6 mg to 8 mg) (very low certainty).

1 finding from 1 review