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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
Standardised formal neonatal resuscitation training (SFNRT) programme vs basic resuscitation training
Early neonatal mortality ‐ physician · Neonates delivered stratified by healthcare professionals involved in attending deliveries
Standardised formal resuscitation training programmes for reducing mortality and morbidity in newborn infants (2015) · Cochrane
RR 1.43 [0.98, 2.08]2 studies · 5986 participantsLow
Standardised formal neonatal resuscitation training (SFNRT) programme vs basic resuscitation training
Early neonatal mortality ‐ family/unattended · Neonates delivered stratified by healthcare professionals involved in attending deliveries
Standardised formal resuscitation training programmes for reducing mortality and morbidity in newborn infants (2015) · Cochrane
RR 0.71 [0.54, 0.94]2 studies · 12253 participantsModerate
MOFS‐LE vs S‐LE
Death before discharge · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.26 [0.68, 2.31]5 studies · 369 participantsLow
MFS‐LE vs S‐LE
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted1 study · 57 participantsLow
MFS‐LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.39 [0.42, 4.65]1 study · 57 participantsLow
MFS‐LE vs S‐LE
Any sepsis (clinical and/or culture positive) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.11 [0.31, 4.02]1 study · 57 participantsLow
MFS‐LE vs S‐LE
Parenteral nutrition‐associated liver disease/cholestasis · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 3.32 [0.14, 78.25]1 study · 57 participantsLow
OS‐LE vs S‐LE
Death before discharge(incidence) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1 [0.21, 4.82]3 studies · 224 participantsLow
OS‐LE vs S‐LE
Days to regain birth weight (days) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted3 studies · 223 participantsLow
OS‐LE vs S‐LE
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted2 studies · 123 participantsLow
OS‐LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease (incidence ‐ variable definition) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.69 [0.46, 1.04]4 studies · 261 participantsVery low
OS‐LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease (sensitivity analysis) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.01 [0.57, 1.79]3 studies · 197 participantsLow
OS‐LE vs S‐LE
Duration of ventilation (days) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted3 studies · 202 participantsVery low
MOFS‐LE vs S‐LE
Days to regain birth weight · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted3 studies · 234 participantsLow
OS‐LE vs S‐LE
Any sepsis (clinical and/or culture positive) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.87 [0.56, 1.36]5 studies · 301 participantsVery low
MS‐LE vs S‐LE
Death before discharge · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted1 study · 60 participantsUngraded
MS‐LE vs S‐LE
Days to regain birth weight · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted1 study · 60 participantsVery low
MS‐LE vs S‐LE
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted1 study · 60 participantsVery low
MS‐LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1 [0.28, 3.63]1 study · 60 participantsVery low
MS‐LE vs S‐LE
Any sepsis (clinical and/or culture positive) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 2 [0.67, 5.94]1 study · 60 participantsVery low
MS‐LE vs S‐LE
Parenteral nutrition‐associated liver disease/cholestasis · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 3 [0.13, 70.83]1 study · 60 participantsVery low
MS‐LE vs S‐LE
Hypertriglyceridaemia · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted1 study · 12 participantsUngraded
All fish oil containing LE vs S‐LE
Death before discharge · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.28 [0.69, 2.35]5 studies · 399 participantsLow
All fish oil containing LE vs S‐LE
Days to regain birth weight · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted3 studies · 261 participantsLow
MOFS‐LE vs S‐LE
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted5 studies · 347 participantsVery low
All fish oil containing LE vs S‐LE
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted5 studies · 374 participantsVery low
All fish oil containing LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.02 [0.7, 1.5]4 studies · 341 participantsLow
All fish oil containing LE vs S‐LE
Any sepsis (clinical and/or culture positive) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.92 [0.61, 1.39]5 studies · 373 participantsLow
All fish oil containing LE vs S‐LE
Retinopathy of prematurity (≥ stage 3) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.43 [0.06, 2.85]3 studies · 256 participantsLow
All fish oil containing LE vs S‐LE
Parenteral nutrition‐associated liver disease/cholestasis · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.8 [0.29, 2.16]4 studies · 341 participantsLow
All alternative LE vs S‐LE
Death before discharge · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.17 [0.66, 2.07]7 studies · 623 participantsLow
All alternative LE vs S‐LE
Days to regain birth weight · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted5 studies · 484 participantsVery low
All alternative LE vs S‐LE
Rate of weight gain (g/kg/day) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted6 studies · 497 participantsVery low
All alternative LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.84 [0.63, 1.12]7 studies · 602 participantsVery low
All alternative LE vs S‐LE
Any sepsis (clinical and/or culture positive) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.9 [0.66, 1.23]9 studies · 674 participantsVery low
MOFS‐LE vs S‐LE
Bronchopulmonary dysplasia/chronic lung disease · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 1.02 [0.7, 1.49]4 studies · 314 participantsLow
All alternative LE vs S‐LE
Retinopathy of prematurity (≥ stage 3) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.43 [0.06, 2.85]3 studies · 256 participantsVery low
All alternative LE vs S‐LE
Parenteral nutrition‐associated liver disease/cholestasis · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.83 [0.37, 1.86]7 studies · 602 participantsLow
MOFS‐LE vs S‐LE
Any sepsis (clinical and/or culture positive) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.94 [0.62, 1.42]5 studies · 346 participantsLow
MOFS‐LE vs S‐LE
Retinopathy of prematurity (≥ stage 3) · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.43 [0.06, 2.85]3 studies · 256 participantsLow
MOFS‐LE vs S‐LE
Parenteral nutrition‐associated liver disease/cholestasis · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 0.78 [0.29, 2.13]4 studies · 314 participantsLow
MFS‐LE vs S‐LE
Death before discharge · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
RR 5 [0.25, 99.95]1 study · 60 participantsLow
MFS‐LE vs S‐LE
Days to regain birth weight · Parenterally fed preterm infants
Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants (2015) · Cochrane
no estimate extracted1 study · 57 participantsLow
Bovine lung lavage surfactant extract vs modified bovine minced lung surfactant extract
Mortality prior to discharge (from any cause) · Preterm infants for prevention of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
RR 1.24 [0.9, 1.71]2 studies · 1123 participantsModerate
Bovine lung lavage surfactant extract vs modified bovine minced lung surfactant extract
Death or oxygen requirement at 36 weeks' postmenstrual age · Preterm infants for treatment of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
RR 0.95 [0.86, 1.06]3 studies · 2009 participantsHigh
Bovine lung lavage surfactant extract vs modified bovine minced lung surfactant extract
Pneumothorax · Preterm infants for treatment of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
RR 1.14 [0.85, 1.51]6 studies · 2224 participantsLow
Bovine lung lavage surfactant extract vs modified bovine minced lung surfactant extract
Pulmonary hemorrhage · Preterm infants for treatment of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
RR 1.08 [0.74, 1.59]4 studies · 2138 participantsModerate
Bovine lung lavage surfactant extract vs modified bovine minced lung surfactant extract
Severe IVH in infants receiving neuroimaging · Preterm infants for treatment of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
RR 0.86 [0.68, 1.09]5 studies · 2040 participantsModerate
Bovine lung lavage surfactant extract vs modified bovine minced lung surfactant extract
Neurodevelopmental outcome at approximately two years’ corrected age · Preterm infants for treatment of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
no estimate extractedNRNo studies
Bovine lung lavage surfactant extract vs porcine minced lung surfactant extract
Mortality prior to discharge · Preterm infants for treatment of RDS
Comparison of animal‐derived surfactants for the prevention and treatment of respiratory distress syndrome… (2015) · Cochrane
RR 1.4 [0.51, 3.87]1 study · 54 participantsLow