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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
Lateral vs supine
Long‐term complications (bronchopulmonary dysplasia, chronic lung disease) · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Lateral vs supine
Short‐term complications (respiratory) · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Lateral vs supine
Short‐term complications (procedural) · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Lateral vs supine
Periventricular or intraventricular haemorrhage · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Lateral vs supine
Bronchopulmonary dysplasia or chronic lung disease · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Lateral vs supine
Oxygenation SpO21 · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extracted5 studies · 206 participantsVery low
Lateral vs supine
Desaturations · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Prone vs supine
Long‐term complications (bronchopulmonary dysplasia, chronic lung disease) · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Prone vs supine
Short‐term complications (respiratory) · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Prone vs supine
Short‐term complications (procedural) · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Prone vs supine
Periventricular or intraventricular haemorrhage · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extractedNRNo studies
Prone vs supine
Oxygenation: PO2 (mmHg)a · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extracted3 studies · 116 participantsModerate
Prone vs supine
Oxygenation: SpO2e · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extracted9 studies · 308 participantsVery low
Prone vs supine
SpO2 at ‐ sensitivity low risk; selection bias · neonates with mechanical ventilation
Infant position in neonates receiving mechanical ventilation (2016) · Cochrane
no estimate extracted4 studies · 92 participantsModerate
Postdischarge formula vs standard term formula
Weight (grams) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted6 studies · 523 participantsModerate
Preterm formula vs standard term formula
Crown‐heel length (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted3 studies · 130 participantsModerate
Preterm formula vs standard term formula
Crown‐heel length (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted3 studies · 160 participantsModerate
Preterm formula vs standard term formula
Head circumference (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted3 studies · 130 participantsModerate
Preterm formula vs standard term formula
Head circumference (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted3 studies · 160 participantsModerate
Preterm formula vs standard term formula
Development ‐ Bayley Scales of Infant Development II: Mental Development Index · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted2 studies · 143 participantsHigh
Postdischarge formula vs standard term formula
Weight (grams) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted7 studies · 576 participantsModerate
Postdischarge formula vs standard term formula
Crown‐heel length (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted6 studies · 523 participantsModerate
Postdischarge formula vs standard term formula
Crown‐heel length (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted7 studies · 576 participantsModerate
Postdischarge formula vs standard term formula
Head circumference (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted6 studies · 523 participantsModerate
Postdischarge formula vs standard term formula
Head circumference (mm) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted7 studies · 576 participantsModerate
Postdischarge formula vs standard term formula
Development ‐ Bayley Scales of Infant Development II: Mental Development Index · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted1 study · 184 participantsHigh
Preterm formula vs standard term formula
Weight (grams) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted3 studies · 130 participantsModerate
Preterm formula vs standard term formula
Weight (grams) · preterm infants after hospital discharge
Nutrient‐enriched formula versus standard formula for preterm infants following hospital discharge (2016) · Cochrane
no estimate extracted4 studies · 273 participantsModerate
Intervention NR
Clearance of proven sepsis · neonates with suspected or proven sepsis
One dose per day compared to multiple doses per day of gentamicin for treatment of suspected or proven… (2016) · Cochrane
RR 1 [0.84, 1.19]3 studies · 37 participantsVery low
Intervention NR
Failure to achieve peak levels of at least 5 microgram/ml (measured 0.5 to one hour after administration of any dose of gentamicin) · neonates with suspected or proven sepsis
One dose per day compared to multiple doses per day of gentamicin for treatment of suspected or proven… (2016) · Cochrane
RR 0.22 [0.11, 0.47]9 studies · 422 participantsModerate
Intervention NR
Nephrotoxicity (End of study period or before discharge) · neonates with suspected or proven sepsis
One dose per day compared to multiple doses per day of gentamicin for treatment of suspected or proven… (2016) · Cochrane
no estimate extracted8 studies · 348 participantsUngraded
Intervention NR
Ototoxicity (End of study period or before discharge) · neonates with suspected or proven sepsis
One dose per day compared to multiple doses per day of gentamicin for treatment of suspected or proven… (2016) · Cochrane
RR 1.69 [0.18, 16.25]5 studies · 214 participantsVery low
Intervention NR
Failure to achieve trough levels of ≤2 microgram/ml ( · neonates with suspected or proven sepsis
One dose per day compared to multiple doses per day of gentamicin for treatment of suspected or proven… (2016) · Cochrane
RR 0.38 [0.27, 0.55]11 studies · 503 participantsModerate
Intervention NR
Weight gain in first 7 days of study (g/day) · Newborn infants unable to fully breastfeed
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed (2016) · Cochrane
no estimate extracted522 participantsLow
Intervention NR
Not breastfeeding at hospital discharge · Newborn infants unable to fully breastfeed
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed (2016) · Cochrane
no estimate extracted957 participantsLow
Intervention NR
Not breastfeeding at six months · Newborn infants unable to fully breastfeed
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed (2016) · Cochrane
RR 0.83 [0.72, 0.95]803 participantsVery low
Intervention NR
Not fully breastfeeding at hospital discharge · Newborn infants unable to fully breastfeed
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed (2016) · Cochrane
RR 0.61 [0.52, 0.71]893 participantsLow
Intervention NR
Not fully breastfeeding at six months · Newborn infants unable to fully breastfeed
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed (2016) · Cochrane
no estimate extracted803 participantsVery low
Intervention NR
Length of stay (days) · Newborn infants unable to fully breastfeed
Cup feeding versus other forms of supplemental enteral feeding for newborn infants unable to fully breastfeed (2016) · Cochrane
no estimate extracted823 participantsLow
Responsive vs scheduled feeding
Weight change during study period (g/kg/day) · preterm infants
Responsive versus scheduled feeding for preterm infants (2016) · Cochrane
no estimate extracted4 studies · 305 participantsLow
Responsive vs scheduled feeding
Time to establishment of full oral feeds (after trial entry) · preterm infants
Responsive versus scheduled feeding for preterm infants (2016) · Cochrane
no estimate extracted2 studies · 167 participantsLow
Cycled light (CL) vs irregular dimmed light or near darkness (ND)
Weight (g) at 4 months · preterm or low birth weight infants undergoing hospital care
Cycled light in the intensive care unit for preterm and low birth weight infants (2016) · Cochrane
no estimate extracted1 study · 40 participantsLow
Cycled light (CL) vs irregular dimmed light or near darkness (ND)
Length of stay (days) (CL from 32 weeks' PMA) · preterm or low birth weight infants undergoing hospital care
Cycled light in the intensive care unit for preterm and low birth weight infants (2016) · Cochrane
no estimate extracted2 studies · 77 participantsLow
Cycled light (CL) vs continuous bright light (CBL)
Length of stay (days) (CL from birth) · preterm or low birth weight infants undergoing hospital care
Cycled light in the intensive care unit for preterm and low birth weight infants (2016) · Cochrane
no estimate extracted2 studies · 79 participantsLow
Cycled light (CL) vs continuous bright light (CBL)
Days on ventilator (CL from birth) · preterm or low birth weight infants undergoing hospital care
Cycled light in the intensive care unit for preterm and low birth weight infants (2016) · Cochrane
no estimate extracted1 study · 41 participantsLow
Intervention NR
All‐cause mortality: longest · infants 1 to 6 months of age
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age (2016) · Cochrane
RR 1.05 [0.89, 1.25]9 studies · 21339 participantsModerate
Intervention NR
Morbidity: diarrhoea: point prevalence · infants 1 to 6 months of age
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age (2016) · Cochrane
RR 0.99 [0.93, 1.05]2 studies · 9891 participantsModerate
Intervention NR
Adverse effects: bulging fontanelle within 48 to 72 hours · infants 1 to 6 months of age
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age (2016) · Cochrane
RR 3.1 [1.89, 5.09]9 studies · 13493 participantsHigh
Intervention NR
Adverse effects: vomiting 48 to 72 hours · infants 1 to 6 months of age
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age (2016) · Cochrane
RR 0.95 [0.67, 1.35]2 studies · 2187 participantsLow
Intervention NR
Adverse effects: diarrhoea 48 to 72 hours · infants 1 to 6 months of age
Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age (2016) · Cochrane
RR 1.07 [0.82, 1.4]3 studies · 2176 participantsLow