Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

149 questions · 155 findings · 39 reviews · Headline outcomes only

No studies found 20 · 12.9%GRADE not reported 3 · 1.9%Very low 29 · 18.7%Low 45 · 29%Moderate 52 · 33.5%High 6 · 3.9%

Dexamethasone: oral vs intramuscular – fetal/neonatal outcomes

Any known death after randomisation (fetal, neonatal, child, child as adult) · women at risk of preterm birth

It is very uncertain whether dexamethasone: oral changes any known death after randomisation (fetal, neonatal, child, child… compared with intramuscular – fetal/neonatal outcomes (very low certainty).

1 finding from 1 review

Dexamethasone: oral vs intramuscular – fetal/neonatal outcomes

Respiratory distress syndrome · women at risk of preterm birth

It is very uncertain whether dexamethasone: oral changes respiratory distress syndrome compared with intramuscular – fetal/neonatal outcomes (very low certainty).

1 finding from 1 review

Dexamethasone: oral vs intramuscular – fetal/neonatal outcomes

Intraventricular haemorrhage · women at risk of preterm birth

It is very uncertain whether dexamethasone: oral changes intraventricular haemorrhage compared with intramuscular – fetal/neonatal outcomes (very low certainty).

1 finding from 1 review

Dexamethasone: oral vs intramuscular – fetal/neonatal outcomes

Necrotising enterocolitis · women at risk of preterm birth

It is very uncertain whether dexamethasone: oral changes necrotising enterocolitis compared with intramuscular – fetal/neonatal outcomes (very low certainty).

1 finding from 1 review

Intervention not reported

Antibiotic prescriptions (number of courses/person/year) **Corticosteroids not meta‐analysed · adults (> 18 years of age) with either COPD or recurrent acute exacerbations of chronic bronchitis

The intervention may leads to higher antibiotic prescriptions (number of courses/person/year)… (low certainty).

1 finding from 1 review

Monthly pulsed high‐dose dexamethasone vs prednisolone

≥ 1 point improvement on INCAT disability score at 12 months · patients with chronic inflammatory demyelinating polyradiculoneuropathy

Monthly pulsed high‐dose dexamethasone may leads to higher ≥ 1 point improvement on INCAT disability score at 12 months compared with oral prednisolone (low certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Mortality after discharge (1‐3 months) · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in mortality after discharge (1‐3 months) compared with oral corticosteroid (moderate certainty).

1 finding from 1 review