Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

179 questions · 194 findings · 24 reviews · Headline outcomes only

No studies found 45 · 23.2%GRADE not reported 5 · 2.6%Very low 48 · 24.7%Low 35 · 18%Moderate 42 · 21.6%High 19 · 9.8%

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 ‐ Corticosteroids plus standard care vs placebo or usual care

All‐cause mortality up to 120 days · hospitalised and unvaccinated individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19

It is very uncertain whether summary of findings table ‐ Corticosteroids plus standard care changes all‐cause mortality up to 120 days compared with standard care (plus/minus placebo) (very low certainty).

1 finding from 1 review

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

Clinical improvement: discharged alive ( · hospitalised and unvaccinated individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19

Summary of findings table ‐ Corticosteroids plus standard care may leads to higher clinical improvement: discharged alive ( compared with standard care (plus/minus placebo) (low certainty).

1 finding from 1 review

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

Clinical worsening: new need for invasive mechanical ventilation or death · hospitalised and unvaccinated individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19

Summary of findings table ‐ Corticosteroids plus standard care showed no clear difference in clinical worsening: new need for invasive mechanical ventilation or… compared with standard care (plus/minus placebo) (low certainty).

1 finding from 1 review

Inhaled steroids vs systemic corticosteroids

BPD or death at 36 weeks' postmenstrual age№ of participants: 0 (0 RCTs) · preterm infants with respiratory distress for initial respiratory support

Inhaled steroids showed no clear difference in death or BPD at 36 weeks' postmenstrual age among all randomised compared with systemic corticosteroids (moderate certainty).

1 finding from 1 review

Inhaled steroids vs systemic corticosteroids

Death or BPD (28 days) · preterm infants with respiratory distress for initial respiratory support

Inhaled steroids showed no clear difference in death or BPD at 28 days compared with systemic corticosteroids (low certainty).

1 finding from 1 review

Inhaled steroids vs systemic corticosteroids

Bronchopulmonary dysplasia/chronic lung disease · preterm infants with respiratory distress for initial respiratory support

Inhaled steroids showed no clear difference in BPD at 36 weeks' postmenstrual age compared with systemic corticosteroids (moderate certainty).

1 finding from 1 review

Weekend therapy vs no topical corticosteroids

Systemic adverse events: abnormal cortisol; end of treatment (16 weeks + 4 weeks acute phase) · children and adults with mild to severe eczema

It is very uncertain whether weekend therapy changes systemic adverse events: abnormal cortisol; end of treatment (16… compared with no topical corticosteroid (very low certainty).

1 finding from 1 review

Moderate‐potency vs mild‐potency topical corticosteroid

Systemic adverse events: abnormal cortisol; end of treatment (1‐6 weeks) · children and adults with mild to severe eczema

It is very uncertain whether moderate‐potency changes systemic adverse events: abnormal cortisol; end of treatment (6‐28… compared with mild‐potency topical corticosteroid (very low certainty).

1 finding from 1 review