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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 ‐ Re‐feeding vs discarding gastric residuals
All‐cause mortality before hospital discharge · preterm infants
Re‐feeding versus discarding gastric residuals to improve growth in preterm infants (2023) · Cochrane
RR 0.5 [0.14, 1.85]1 study · 72 participantsLow
Summary of findings table ‐ Re‐feeding vs discarding gastric residuals
Time to establish full enteral feeds (120 mL/kg/d) · 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
Number of infants with feed interruption episodes lasting ≥ 12 hours · preterm infants
Re‐feeding versus discarding gastric residuals to improve growth in preterm infants (2023) · Cochrane
RR 0.8 [0.42, 1.52]1 study · 59 participantsVery low
Summary of findings table ‐ Re‐feeding vs discarding gastric residuals
Number of TPN 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 extrauterine growth restriction at discharge · preterm infants
Re‐feeding versus discarding gastric residuals to improve growth in preterm infants (2023) · Cochrane
RR 1.29 [0.38, 4.34]1 study · 59 participantsLow
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Neonatal mortality (mortality < 28 days of age) from any cause ‐ not reported · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
no estimate extractedNRNo studies
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Mortality prior to hospital discharge№ of participants: 562 (3 RCTs) · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
RR 1.25 [0.65, 2.41]NRVery low
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Bronchopulmonary dysplasia№ of participants: 562(3 RCTs) · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
RR 0.9 [0.61, 1.32]NRLow
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Bronchopulmonary dysplasia or mortality ‐ not reported · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
no estimate extractedNRNo studies
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Surfactant utilization № of participants: 562 (3 RCTs) · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
RR 0.97 [0.85, 1.11]NRLow
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Any pneumothorax№ of participants: 506(2 RCTs) · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
RR 0.53 [0.15, 1.92]NRLow
Surfactant treatment guided by rapid tests for surfactant deficiency vs surfactant therapy provided to preterm infants with respiratory distress syndrome diagnosed on clinical and radiologic criteria
Neurodevelopmental outcome at approximately two years' corrected age ‐ not reported · preterm infants at risk of respiratory distress syndrome
Surfactant therapy guided by tests for lung maturity in preterm infants at risk of respiratory distress… (2023) · Cochrane
no estimate extractedNRNo studies
Superoxide dismutase (SOD) vs placebo
BPD defined as an oxygen requirement at 28 days№ of participants: 302(1 RCT) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
RR 1.09 [0.94, 1.26]NRVery low
Superoxide dismutase (SOD) vs placebo
BPD defined as oxygen at 36 weeks' postmenstrual age№ of participants: 335(2 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
RR 0.96 [0.72, 1.29]NRVery low
Superoxide dismutase (SOD) vs placebo
Neonatal mortality (i.e. within 28 days)№ of participants: 335(2 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
RR 0.98 [0.57, 1.68]NRVery low
Superoxide dismutase (SOD) vs placebo
Mortality prior to discharge№ of participants: 78(2 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
RR 1.2 [0.53, 2.71]NRVery low
Superoxide dismutase (SOD) vs placebo
BPD or death at 36 weeks' postmenstrual age№ of participants: 0 (0 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Superoxide dismutase (SOD) vs placebo
Need for supplemental oxygen (days)№ of participants: 0 (0 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Superoxide dismutase (SOD) vs placebo
Retinopathy of prematurity№ of participants: 277(2 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
RR 0.95 [0.78, 1.15]NRVery low
Superoxide dismutase (SOD) vs placebo
Severe retinopathy of prematurity (stage II or greater)№ of participants: 244(1 RCT) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
RR 0.97 [0.57, 1.65]NRVery low
Superoxide dismutase (SOD) vs placebo
Moderate to severe neurodevelopmental outcome at 18 to 24 months№ of participants: 0 (0 RCTs) · preterm infants at risk of developing BPD
Superoxide dismutase for bronchopulmonary dysplasia in preterm infants (2023) · Cochrane
no estimate extractedNRNo studies
Automated oxygen delivery vs routine manual oxygen delivery
Time in desired SpO2 rangeScale: 0% to 100% of time · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extracted11 studies · 284 participantsModerate
CLACfast vs CLACslow
All‐cause in‐hospital mortality by 36 weeks' postmenstrual ageUnit: number of infants with event · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
CLACfast vs CLACslow
Severe ROPUnit: number of infants with event · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
CLACfast vs CLACslow
Neurodevelopmental outcomes at approximately 2 years' corrected age · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
Automated oxygen delivery vs routine manual oxygen delivery
All‐cause in‐hospital mortality by 36 weeks' postmenstrual ageUnit: number of infants with event · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
Automated oxygen delivery vs routine manual oxygen delivery
Severe ROPUnit: number of infants with event · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
RR 0.24 [0.03, 1.94]1 study · 39 participantsLow
Automated oxygen delivery vs routine manual oxygen delivery
Neurodevelopmental outcomes at approximately 2 years' corrected age · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
Automated oxygen delivery vs enhanced manual oxygen delivery
Time in desired SpO2 rangeScale: 0% to 100% of time · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extracted2 studies · 19 participantsLow
Automated oxygen delivery vs enhanced manual oxygen delivery
All‐cause in‐hospital mortality by 36 weeks' postmenstrual ageUnit: number of infants with event · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
Automated oxygen delivery vs enhanced manual oxygen delivery
Severe ROPUnit: number of infants with event · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
Automated oxygen delivery vs enhanced manual oxygen delivery
Neurodevelopmental outcomes at approximately 2 years' corrected age · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extractedNRNo studies
CLACfast vs CLACslow
Time in desired SpO2 rangeScale: 0% to 100% of time · preterm infants with respiratory dysfunction
Automated oxygen delivery for preterm infants with respiratory dysfunction (2023) · Cochrane
no estimate extracted1 study · 19 participantsLow
Two per cent CHG vs alcohol hand sanitiser (61% alcohol and emollients)
Incidence of (author‐defined) suspected infections within the first 28 days of life · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Four per cent chlorhexidine + hand hygiene promotion vs usual care
Adverse events requiring hospitalisation (SAE) · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
RR 1.83 [0.75, 4.42]1 study · 246 participantsVery low
Two per cent CHG vs alcohol hand sanitiser (61% alcohol and emollients)
Incidence of bacteriologically confirmed infections (types of infection as specified by authors) within the first 28 days of life · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
RR 0.79 [0.66, 0.93]1 study · 2932 participantsModerate
Two per cent CHG vs alcohol hand sanitiser (61% alcohol and emollients)
All‐cause mortality within the first seven days of life (early neonatal death) · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Two per cent CHG vs alcohol hand sanitiser (61% alcohol and emollients)
All‐cause mortality from the 8th to 28th day of life (late neonatal death) · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Alcohol‐based handrub vs usual care
Incidence of suspected infections (author‐defined) within the first 28 days of life · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
RR 0.98 [0.69, 1.39]1 study · 103 participantsVery low
Alcohol‐based handrub vs usual care
Incidence of bacteriologically confirmed infections within the first 28 days of life · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
no estimate extractedNRNo studies
Alcohol‐based handrub vs usual care
All‐cause mortality within the first seven days of life (early neonatal death) · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
RR 0.29 [0.01, 7]1 study · 103 participantsVery low
Alcohol‐based handrub vs usual care
All‐cause mortality from the 8th to 28th day of life (late neonatal death) · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
RR 0.29 [0.01, 7]1 study · 103 participantsVery low
Four per cent chlorhexidine + hand hygiene promotion vs usual care
Authors reported adverse outcomes (events without hospitalisation) · Neonates and caregivers
Hand hygiene for the prevention of infections in neonates (2023) · Cochrane
RR 0.57 [0.28, 1.15]1 study · 246 participantsVery low
Intervention NR
OXYGEN SATURATION DURING intervention (higher = favourable) · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted10 studies · 958 participantsHigh
Intervention NR
HEART RATE POST‐intervention (lower = favourable) · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted9 studies · 903 participantsHigh
Intervention NR
PARENTAL WELL‐BEING: EPDS · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted2 studies · 67 participantsLow
Intervention NR
PARENTAL ANXIETY: STAI‐SKD · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted3 studies · 87 participantsVery low
Intervention NR
OXYGEN SATURATION POST‐intervention (higher = favourable) · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted7 studies · 800 participantsModerate
Intervention NR
INFANT DEVELOPMENT: Bayley Scales of Infant and Toddler Development‐III (BSID‐III) · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted2 studies · 69 participantsLow
Intervention NR
INFANT DEVELOPMENT: Bayley Scales of Infant and Toddler Development‐III (BSID III) · preterm infants and their parents
Musical and vocal interventions to improve neurodevelopmental outcomes for preterm infants (2023) · Cochrane
no estimate extracted2 studies · 69 participantsLow