Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,811 questions · 70,850 findings · 5,139 reviews

No studies found 15,174 · 21.4%GRADE not reported 6,479 · 9.1%Very low 17,330 · 24.5%Low 17,814 · 25.1%Moderate 11,056 · 15.6%High 2,997 · 4.2%

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Antibiotics vs no antibiotics

Clinical pregnancy rate · embryo transfer (ET) in assisted reproductive technology (ART)

Summary of findings table ‐ Antibiotics showed no clear difference in clinical pregnancy rate (CPR) compared with control (no antibiotics) (low certainty).

1 finding from 1 review

Antibiotics vs no antibiotics

Genital Tract Colonisation · embryo transfer (ET) in assisted reproductive technology (ART)

It is very uncertain whether summary of findings table ‐ Antibiotics changes genital tract colonization compared with control (no antibiotics) (very low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Mortality before hospital discharge · term and preterm infants resuscitated at birth, using positive pressure ventilation

Nasal interfaces (single nasal prong, binasal prongs (long or… showed no clear difference in death before discharge compared with face mask (low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Intubation and mechanical ventilation in the DR · term and preterm infants resuscitated at birth, using positive pressure ventilation

It is very uncertain whether nasal interfaces (single nasal prong, binasal prongs (long or… changes intubation and mechanical ventilation in the DR compared with face mask (very low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Intubation and mechanical ventilationwithin 24 hours of birth · term and preterm infants resuscitated at birth, using positive pressure ventilation

It is very uncertain whether nasal interfaces (single nasal prong, binasal prongs (long or… changes intubation and mechanical ventilationwithin 24 hours of birth compared with face mask (very low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Intubation and mechanical ventilation outside the DR during hospitalisation · term and preterm infants resuscitated at birth, using positive pressure ventilation

It is very uncertain whether nasal interfaces (single nasal prong, binasal prongs (long or… changes intubation and mechanical ventilation outside the DR during… compared with face mask (very low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Air leak (any) · term and preterm infants resuscitated at birth, using positive pressure ventilation

Nasal interfaces (single nasal prong, binasal prongs (long or… showed no clear difference in air leaks compared with face mask (low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Oxygen requirement at 36 weeks' postmenstrual age · term and preterm infants resuscitated at birth, using positive pressure ventilation

Nasal interfaces (single nasal prong, binasal prongs (long or… showed no clear difference in the need for supplemental oxygen at 36 weeks' corrected gestational… compared with face mask (low certainty).

1 finding from 1 review

Nasal interfaces (single nasal prong, binasal prongs (long or short), or nasal masks) vs face mask

Cranial ultrasound abnormalities (IVH grade ≥ 3 or cystic periventricular leukomalacia) · term and preterm infants resuscitated at birth, using positive pressure ventilation

It is very uncertain whether nasal interfaces (single nasal prong, binasal prongs (long or… changes cranial ultrasound abnormalities (IVH grade ≥ 3 or cystic… compared with face mask (very low certainty).

1 finding from 1 review