Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,710 questions · 14,842 findings · 1,394 reviews

No studies found 2,880 · 19.4%GRADE not reported 1,413 · 9.5%Very low 3,103 · 20.9%Low 3,870 · 26.1%Moderate 2,663 · 17.9%High 913 · 6.2%

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Systemic corticosteroids vs placebo or control

Cerebral palsy · preterm infants with chronic lung disease

Systemic corticosteroids (dexamethasone or hydrocortisone) showed no clear difference in cerebral palsy ‐ at latest reported age compared with control (placebo or nothing) (high certainty).

1 finding from 1 review

Systemic corticosteroids vs placebo or control

Death or cerebral palsy · preterm infants with chronic lung disease

Systemic corticosteroids (dexamethasone or hydrocortisone) showed no clear difference in mortality or cerebral palsy ‐ at latest reported age compared with control (placebo or nothing) (high certainty).

1 finding from 1 review

Early systemic postnatal corticosteroids vs placebo or no treatment

Mortality Mortality at latest · preventing bronchopulmonary dysplasia in preterm infants

Early systemic postnatal corticosteroids showed no clear difference in mortality at latest reported age compared with placebo or no treatment (high certainty).

1 finding from 1 review

Early systemic postnatal corticosteroids vs placebo or no treatment

BPD (36 weeks' PMA) · preventing bronchopulmonary dysplasia in preterm infants

Early systemic postnatal corticosteroids probably leads to lower BPD (36 weeks' PMA) compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Early systemic postnatal corticosteroids vs placebo or no treatment

Death or bronchopulmonary dysplasia at 36 weeks PMA · preventing bronchopulmonary dysplasia in preterm infants

Early systemic postnatal corticosteroids leads to lower mortality or BPD at 36 weeks' PMA compared with placebo or no treatment (high certainty).

1 finding from 1 review

Early systemic postnatal corticosteroids vs placebo or no treatment

Gastrointestinal perforation during primary hospitalisation · preventing bronchopulmonary dysplasia in preterm infants

Early systemic postnatal corticosteroids leads to higher gastrointestinal perforation during primary hospitalisation compared with placebo or no treatment (high certainty).

1 finding from 1 review

Early systemic postnatal corticosteroids vs placebo or no treatment

Cerebral palsy · preventing bronchopulmonary dysplasia in preterm infants

Early systemic postnatal corticosteroids leads to higher cerebral palsy at latest reported age compared with placebo or no treatment (high certainty).

1 finding from 1 review

Early systemic postnatal corticosteroids vs placebo or no treatment

Death or cerebral palsy · preventing bronchopulmonary dysplasia in preterm infants

Early systemic postnatal corticosteroids showed no clear difference in mortality or cerebral palsy at latest reported age compared with placebo or no treatment (high certainty).

1 finding from 1 review

Gabapentin vs placebo

50% or greater reduction in seizure frequency Number of seizures · people with drug‐resistant focal epilepsy

Gabapentin probably leads to higher reduction in seizure frequency of ≥ 50%: primary analysisNumber of… compared with placebo (moderate certainty).

1 finding from 1 review

Gabapentin vs placebo

Treatment withdrawalNumber of participants withdrawn for any reason · people with drug‐resistant focal epilepsy

Gabapentin showed no clear difference in treatment withdrawalNumber of participants withdrawn for any reason compared with placebo (moderate certainty).

1 finding from 1 review

Gabapentin vs placebo

Adverse effects: ataxia Number of participants experiencing ataxia · people with drug‐resistant focal epilepsy

Gabapentin may leads to higher adverse effects: ataxiaNumber of participants experiencing ataxia compared with placebo (low certainty).

1 finding from 1 review

Medical or surgical intervention, or both, for gastro‐oesophageal reflux disease vs nil intervention, delayed intervention control, or placebo

Exacerbations: number of people experiencing moderate or severe exacerbations · treatment for asthma in adults and children with asthma and GORD

Medical or surgical intervention, or both, for gastro‐oesophageal… showed no clear difference in number of participants with moderate/severe acute exacerbations… compared with nil intervention, delayed intervention control, or placebo (low certainty).

1 finding from 1 review

Medical or surgical intervention, or both, for gastro‐oesophageal reflux disease vs nil intervention, delayed intervention control, or placebo

Lung function: FEV1 mL (change from baseline) · treatment for asthma in adults and children with asthma and GORD
1 finding from 1 review

Medical or surgical intervention, or both, for gastro‐oesophageal reflux disease vs nil intervention, delayed intervention control, or placebo

Use of "rescue" medications and emergency action plans: B2 use puffs per day Duration of treatment: range 14 weeks to 24 weeks · treatment for asthma in adults and children with asthma and GORD
1 finding from 1 review