Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,721 questions · 19,640 findings · 2,039 reviews · Headline outcomes only

No studies found 3,754 · 19.1%GRADE not reported 1,273 · 6.5%Very low 4,859 · 24.7%Low 5,568 · 28.4%Moderate 3,240 · 16.5%High 946 · 4.8%

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Ketamine vs midazolam

Efficacy: number of participants who respond to treatment ‐ at 24 hours · adults (aged 18 years+) with depression in bipolar disorder

It is very uncertain whether ketamine changes efficacy: number of participants who respond to treatment ‐ at 24… compared with midazolam (very low certainty).

1 finding from 1 review

Ketamine vs placebo

Efficacy: number of participants who respond to treatment ‐ at 24 hours · adults with Major Depressive Disorder

It is very uncertain whether ketamine changes efficacy: number of participants who respond to treatment ‐ at 24… compared with placebo (very low certainty).

1 finding from 1 review

Ketamine vs midazolam

Efficacy: number of participants who respond to treatment ‐ at 24 hours · adults with Major Depressive Disorder

It is very uncertain whether ketamine changes efficacy: number of participants who respond to treatment ‐ at 24… compared with midazolam (very low certainty).

1 finding from 1 review

Surfactant administration via thin catheter (S‐TC) vs surfactant administration through an endotracheal tube (S‐ETT)

Death or bronchopulmonary dysplasia at 36 weeks PMA · preterm infants with or at risk of respiratory distress syndrome

Surfactant administration via thin catheter (S‐TC) probably leads to lower death or bronchopulmonary dysplasia (BPD) at 36 weeks' postmenstrual… compared with surfactant administration through an endotracheal tube (S‐ETT) (moderate certainty).

1 finding from 1 review

Surfactant administration via thin catheter (S‐TC) vs surfactant administration through an endotracheal tube (S‐ETT)

Need for intubation within the first 72 hours · preterm infants with or at risk of respiratory distress syndrome

Surfactant administration via thin catheter (S‐TC) probably leads to lower need for intubation within the first 72 hours compared with surfactant administration through an endotracheal tube (S‐ETT) (moderate certainty).

1 finding from 1 review

Surfactant administration via thin catheter (S‐TC) vs surfactant administration through an endotracheal tube (S‐ETT)

Air leak requiring drainage · preterm infants with or at risk of respiratory distress syndrome

Surfactant administration via thin catheter (S‐TC) showed no clear difference in air leak requiring drainage compared with surfactant administration through an endotracheal tube (S‐ETT) (low certainty).

1 finding from 1 review

Surfactant administration via thin catheter (S‐TC) vs surfactant administration through an endotracheal tube (S‐ETT)

Severe intraventricular haemorrhage · preterm infants with or at risk of respiratory distress syndrome

Surfactant administration via thin catheter (S‐TC) may leads to lower severe intraventricular haemorrhage (grade III or IV) compared with surfactant administration through an endotracheal tube (S‐ETT) (low certainty).

1 finding from 1 review

Surfactant administration via thin catheter (S‐TC) vs surfactant administration through an endotracheal tube (S‐ETT)

Death during first hospitalisation (all causes) · preterm infants with or at risk of respiratory distress syndrome

Surfactant administration via thin catheter (S‐TC) may leads to lower death during first hospitalisation (all causes) compared with surfactant administration through an endotracheal tube (S‐ETT) (low certainty).

1 finding from 1 review