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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,353 questions in 210 reviews · Neonatal

current versions
No studies 432 · 18.4%Ungraded 99 · 4.2%Very low 609 · 25.9%Low 737 · 31.3%Moderate 385 · 16.4%High 91 · 3.9%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Summary of findings table ‐ High flow nasal cannula (HFNC) vs continuous positive airway pressure (CPAP)
Duration of any form of respiratory support (any form of non‐invasive respiratory support with or without supplemental oxygen) · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1…
High flow nasal cannula for respiratory support in term infants (2023) · Cochrane
no estimate extracted4 studies · 530 participantsVery low
Summary of findings table ‐ High flow nasal cannula (HFNC) vs continuous positive airway pressure (CPAP)
Length of stay at intensive care unit · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1…
High flow nasal cannula for respiratory support in term infants (2023) · Cochrane
no estimate extracted3 studies · 452 participantsModerate
Summary of findings table ‐ High flow nasal cannula (HFNC) vs continuous positive airway pressure (CPAP)
Adverse events ‐ nasal trauma · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1…
High flow nasal cannula for respiratory support in term infants (2023) · Cochrane
RR 0.16 [0.04, 0.66]1 study · 78 participantsVery low
Summary of findings table ‐ High flow nasal cannula (HFNC) vs continuous positive airway pressure (CPAP)
Adverse events ‐ abdominal overdistention · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1…
High flow nasal cannula for respiratory support in term infants (2023) · Cochrane
RR 0.22 [0.07, 0.71]1 study · 78 participantsVery low
Summary of findings table ‐ High flow nasal cannula (HFNC) vs low flow nasal cannula (LFNC)
Death · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1…
High flow nasal cannula for respiratory support in term infants (2023) · Cochrane
no estimate extracted2 studies · 95 participantsUngraded
Summary of findings table ‐ High flow nasal cannula (HFNC) vs low flow nasal cannula (LFNC)
Treatment failure · respiratory support in term infants (infants ≥ 37 weeks gestational age to the end of the neonatal period (up to 1…
High flow nasal cannula for respiratory support in term infants (2023) · Cochrane
RR 0.44 [0.21, 0.92]2 studies · 95 participantsLow
Dextrose gel vs placebo
Hypoglycaemia (investigator‐defined) · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
RR 0.87 [0.79, 0.95]2 studies · 2548 participantsHigh
Dextrose gel vs placebo
Major neurological disability at 2 years of age (Defined as any of the following: legal blindness, sensorineural deafness requiring hearing aids, moderate or severe cerebral palsy or developmental delay/intellectual impairment (developmental quoti... · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
RR 1 [0.59, 1.68]2 studies · 1554 participantsLow
Dextrose gel vs placebo
Receipt of treatment for hypoglycaemia during initial hospital stay (investigator‐defined, any treatment ‐ oral dextrose gel, intravenous dextrose, or other drug therapy) during initial hospital stay (yes/no) · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
RR 0.89 [0.79, 1]2 studies · 2548 participantsModerate
Dextrose gel vs placebo
Receipt of intravenous treatment for hypoglycaemia (yes/no) · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
RR 1.01 [0.68, 1.49]2 studies · 2548 participantsModerate
Dextrose gel vs placebo
Adverse events# (e.g. choking or vomiting at time of administration) · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
RR 1.22 [0.64, 2.33]2 studies · 2510 participantsModerate
Dextrose gel vs placebo
Separation from mother for treatment of hypoglycaemia (infant nursed in an environment that is not in the same room as the mother, e.g. for NICU admission or the like) (yes/no) · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
RR 1.12 [0.81, 1.55]2 studies · 2548 participantsLow
Dextrose gel vs placebo
Breastfeeding (exclusive after discharge) ‐ not reported (WHO 2008 definition (yes/no)) · newborn infants at risk of neonatal hypoglycaemia
Oral dextrose gel to prevent hypoglycaemia in at‐risk neonates (2023) · Cochrane
no estimate extractedNRNo studies
Early (less than seven days following birth) higher vs lower sodium intake
Mortality (latest time reported up to hospital discharge) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 1.02 [0.38, 2.72]3 studies · 83 participantsLow
Late (seven days or more following birth) higher vs lower sodium intake
Hyponatraemia (< 130 mmol/L) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 0.13 [0.03, 0.5]2 studies · 69 participantsLow
Late (seven days or more following birth) higher vs lower sodium intake
Hypernatraemia (≥ 150 mmol/L) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 7.88 [0.43, 144.81]2 studies · 69 participantsVery low
Late (seven days or more following birth) higher vs lower sodium intake
Postnatal growth failure (weight < 10th percentile) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 0.25 [0.09, 0.69]1 study · 29 participantsLow
Late (seven days or more following birth) higher vs lower sodium intake
Necrotising enterocolitis · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 0.07 [0, 1.25]1 study · 49 participantsVery low
Late (seven days or more following birth) higher vs lower sodium intake
Chronic lung disease · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 2.03 [0.8, 5.2]1 study · 49 participantsVery low
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Mortality (latest time reported up to hospital discharge) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Neurodevelopmental disability · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Hyponatraemia (< 130 mmol/L) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Hypernatraemia (≥ 150 mmol/L) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 2.5 [0.63, 10]1 study · 20 participantsVery low
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Postnatal growth failure (weight < 10th percentile) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early (less than seven days following birth) higher vs lower sodium intake
Neurodevelopmental disability · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Necrotising enterocolitis · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early and late (day 1 to 28 after birth) higher vs lower sodium intake
Chronic lung disease · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early (less than seven days following birth) higher vs lower sodium intake
Hyponatraemia (< 130 mmol/L) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 0.68 [0.4, 1.13]3 studies · 83 participantsLow
Early (less than seven days following birth) higher vs lower sodium intake
Hypernatraemia (≥ 150 mmol/L) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 1.62 [1, 2.65]4 studies · 103 participantsLow
Early (less than seven days following birth) higher vs lower sodium intake
Postnatal growth failure · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Early (less than seven days following birth) higher vs lower sodium intake
Necrotising enterocolitis · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 4.6 [0.23, 90.84]1 study · 46 participantsVery low
Early (less than seven days following birth) higher vs lower sodium intake
Chronic lung disease · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Late (seven days or more following birth) higher vs lower sodium intake
Mortality (latest time reported up to hospital discharge) · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
RR 0.13 [0.01, 2.2]1 study · 49 participantsVery low
Late (seven days or more following birth) higher vs lower sodium intake
Neurodevelopmental disability · preterm or low birth weight infants
Higher versus lower sodium intake for preterm infants (2023) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
Risk of necrotising enterocolitis stage ≥ 2 · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 1.08 [0.46, 2.57]4 studies · 334 participantsModerate
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
Time to regain birth weight (days) · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
no estimate extracted1 study · 87 participantsLow
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
Number of infants with feed interruption episodes (lasting ≥ 12 hours) · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 3.21 [0.13, 76.67]1 study · 87 participantsVery low
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
Number of total parenteral nutrition days · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
no estimate extracted1 study · 87 participantsLow
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
Risk of invasive Infection · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 5.35 [0.26, 108.27]1 study · 87 participantsLow
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
All‐cause mortality before hospital discharge · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 3.21 [0.13, 76.67]1 study · 87 participantsLow
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
Time to establish full enteral feeds (days) · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
no estimate extracted4 studies · 334 participantsModerate
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
Time to regain birth weight (days) · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
no estimate extracted1 study · 80 participantsLow
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
Number of infants with feed interruption episodes (lasting ≥ 12 hours) · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 2.21 [1.53, 3.2]3 studies · 191 participantsLow
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
Number of total parenteral nutrition days · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
no estimate extracted4 studies · 334 participantsModerate
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
Risk of invasive infection · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 1.5 [1.02, 2.19]4 studies · 334 participantsModerate
Summary of findings table ‐ routine monitoring vs no routine monitoring of gastric residual
All‐cause mortality before hospital discharge · preterm infants
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 2.14 [0.77, 5.97]3 studies · 273 participantsLow
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
Risk of necrotising enterocolitis stage ≥ 2 · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
RR 5.35 [0.26, 108.27]1 study · 87 participantsLow
Summary of findings table ‐ Quality and volume of gastric residual vs quality of gastric residual alone
Time to establish full enteral feeds · feed interruption while monitoring gastric residual
Routine monitoring of gastric residual for prevention of necrotising enterocolitis in preterm infants (2023) · Cochrane
no estimate extracted1 study · 87 participantsLow
Summary of findings table ‐ Re‐feeding vs discarding gastric residuals
Time to regain birth weight (days) · preterm infants
Re‐feeding versus discarding gastric residuals to improve growth in preterm infants (2023) · Cochrane
no estimate extracted1 study · 59 participantsLow
Summary of findings table ‐ Re‐feeding vs discarding gastric residuals
Risk of NEC stage ≥ 2 or SIPb,c · preterm infants
Re‐feeding versus discarding gastric residuals to improve growth in preterm infants (2023) · Cochrane
RR 0.71 [0.25, 2.04]1 study · 72 participantsLow