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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
Needle aspiration (needle removed immediately after aspiration) vs intercostal tube drainage
Bleeding from incision for the insertion of the needle or the tube ‐ not reported · patients with pneumothorax in the newborn
Needle aspiration versus intercostal tube drainage for pneumothorax in the newborn (2019) · Cochrane
no estimate extractedNRNo studies
Needle aspiration (needle removed immediately after aspiration) vs intercostal tube drainage
Haemothorax ‐ not reported · patients with pneumothorax in the newborn
Needle aspiration versus intercostal tube drainage for pneumothorax in the newborn (2019) · Cochrane
no estimate extractedNRNo studies
Needle aspiration (needle or angiocatheter left in situ) vs intercostal tube drainage
Mortality neonatal (first 28 days of life) ‐ not reported · patients with pneumothorax in the newborn
Needle aspiration versus intercostal tube drainage for pneumothorax in the newborn (2019) · Cochrane
no estimate extractedNRNo studies
Needle aspiration (needle or angiocatheter left in situ) vs intercostal tube drainage
Mortality during hospitalisation · patients with pneumothorax in the newborn
Needle aspiration versus intercostal tube drainage for pneumothorax in the newborn (2019) · Cochrane
RR 1.5 [0.27, 8.45]1 study · 72 participantsVery low
Needle aspiration (needle or angiocatheter left in situ) vs intercostal tube drainage
Need for intercostal tube drainage · patients with pneumothorax in the newborn
Needle aspiration versus intercostal tube drainage for pneumothorax in the newborn (2019) · Cochrane
RR 0.01 [0, 0.21]1 study · 72 participantsVery low
Intervention NR
All‐cause mortality · newborn infants at risk of gastrointestinal bleeding
Pharmacological interventions for prevention and treatment of upper gastrointestinal bleeding in newborn… (2019) · Cochrane
RR 2.42 [0.7, 8.38]1 study · 53 participantsVery low
Intervention NR
Any upper gastrointestinal bleeding in infants at risk of upper gastrointestinal bleeding · newborn infants at risk of gastrointestinal bleeding
Pharmacological interventions for prevention and treatment of upper gastrointestinal bleeding in newborn… (2019) · Cochrane
RR 0.36 [0.22, 0.58]4 studies · 329 participantsModerate
Intervention NR
All‐cause mortality · infants with upper gastrointestinal bleeding
Pharmacological interventions for prevention and treatment of upper gastrointestinal bleeding in newborn… (2019) · Cochrane
RR 0.63 [0.26, 1.51]2 studies · 131 participantsLow
Intervention NR
Duration of upper gastrointestinal bleeding (days) · infants with upper gastrointestinal bleeding
Pharmacological interventions for prevention and treatment of upper gastrointestinal bleeding in newborn… (2019) · Cochrane
no estimate extracted2 studies · 104 participantsVery low
Intervention NR
Continued upper gastrointestinal bleeding · infants with upper gastrointestinal bleeding
Pharmacological interventions for prevention and treatment of upper gastrointestinal bleeding in newborn… (2019) · Cochrane
RR 0.36 [0.26, 0.49]6 studies · 451 participantsLow
Intervention NR
Anaemia requiring blood transfusion · infants with upper gastrointestinal bleeding
Pharmacological interventions for prevention and treatment of upper gastrointestinal bleeding in newborn… (2019) · Cochrane
RR 0.6 [0.11, 3.19]1 study · 38 participantsLow
Intervention NR
True positives (infants with late‐onset infection)
C‐reactive protein for diagnosing late‐onset infection in newborn infants (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
False negatives (infants incorrectly classified as not having late‐onset infection)
C‐reactive protein for diagnosing late‐onset infection in newborn infants (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
True negatives (infants without late‐onset infection)
C‐reactive protein for diagnosing late‐onset infection in newborn infants (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
False positives (infants incorrectly classified as having late‐onset infection)
C‐reactive protein for diagnosing late‐onset infection in newborn infants (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
CI: confidence interval.
C‐reactive protein for diagnosing late‐onset infection in newborn infants (2019) · Cochrane
no estimate extractedNRNo studies
Hydrolysed vs non‐hydrolysed formula
Feed intolerance · feeding preterm infants
Protein hydrolysate versus standard formula for preterm infants (2019) · Cochrane
RR 2.71 [0.29, 25]3 studies · 161 participantsLow
Hydrolysed vs non‐hydrolysed formula
Necrotising enterocolitis · feeding preterm infants
Protein hydrolysate versus standard formula for preterm infants (2019) · Cochrane
RR 1.1 [0.36, 3.34]5 studies · 385 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Incidence of hyperbilirubinaemia · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
RR 0.75 [0.58, 0.97]1 study · 50 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Chronic bilirubin encephalopathy or kernicterus (kernicterus) · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Feeding supplementation with prebiotics vs no prebiotics
Major neurodevelopmental disability · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Feeding supplementation with prebiotics vs no prebiotics
Side effects · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Feeding supplementation with prebiotics vs no prebiotics
Maximum plasma unconjugated bilirubin levels; · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted2 studies · 78 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Treatment with phototherapy · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
RR 0.75 [0.58, 0.97]1 study · 50 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Stool frequency · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted3 studies · 154 participantsHigh
Feeding supplementation with prebiotics vs no prebiotics
Duration of phototherapy (days) · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted1 study · 28 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Length of hospital stay (days) · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted2 studies · 78 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Neonatal mortality · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
RR 0.94 [0.14, 6.19]2 studies · 78 participantsLow
Feeding supplementation with prebiotics vs no prebiotics
Acute bilirubin encephalopathy (encephalopathy) · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Feeding supplementation with prebiotics vs no prebiotics
Exchange transfusion (exchange) · Neonates, including term neonates (gestational age ≥ 37 weeks), late preterm neonates (35 to 37 weeks' gestation) and…
Prebiotics for the prevention of hyperbilirubinaemia in neonates (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Stopping feeds vs continuing feeds during transfusion
Incidence of NEC within 48 hours after transfusion · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Stopping feeds vs continuing feeds during transfusion
Incidence of NEC any time after first transfusion · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Stopping feeds vs continuing feeds during transfusion
Mortality to 44 weeks' postmenstrual age · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted1 study · 22 participantsVery low
Stopping feeds vs continuing feeds during transfusion
Length of hospital stay (days) · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Stopping feeds vs continuing feeds during transfusion
Total number of days to full oral feeds · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Stopping feeds vs continuing feeds during transfusion
Incidence of feed intolerance · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Stopping feeds vs continuing feeds during transfusion
Growth · preterm infants receiving transfusion
Stopping enteral feeds for prevention of transfusion‐associated necrotising enterocolitis in preterm infants (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Necrotizing enterocolitis · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
RR 0.95 [0.2, 4.54]1 study · 125 participantsLow
Intervention NR
Death · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
RR 0.711 study · 121 participantsLow
Intervention NR
Weight (change during intervention) (mean ± SD) · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
no estimate extracted1 study · 118 participantsLow
Intervention NR
Length (change during intervention) (mean ± SD) · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
no estimate extracted1 study · 118 participantsLow
Intervention NR
Head circumference (change during intervention) (mean ± SD) · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
no estimate extracted1 study · 118 participantsLow
Intervention NR
Feeding interruption requiring parenteral nutrition · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
RR 2.861 study · 125 participantsLow
Intervention NR
Late‐onset sepsis · Preterm neonates (< 37 0/7 weeks' gestation) fed exclusively with breast milk
Human milk‐derived fortifier versus bovine milk‐derived fortifier for prevention of mortality and morbidity… (2019) · Cochrane
RR 0.541 study · 125 participantsLow
Fish oil lipid emulsion (LE) vs non‐fish oil LE
Growth rate – MOFS‐LE vs S‐LE · parenterally fed preterm infants
Lipid emulsions for parenterally fed preterm infants (2019) · Cochrane
no estimate extracted5 studies · 347 participantsLow
Fish oil lipid emulsion (LE) vs another fish oil LE
Growth rate – MOFS‐LE vs MFS‐LE · parenterally fed preterm infants
Lipid emulsions for parenterally fed preterm infants (2019) · Cochrane
no estimate extracted1 study · 55 participantsLow
Fish oil lipid emulsion (LE) vs another fish oil LE
PNALD/cholestasis (conjugated bilirubin ≥ 2 mg/dL) – MOFS‐LE vs MFS‐LE · parenterally fed preterm infants
Lipid emulsions for parenterally fed preterm infants (2019) · Cochrane
RR 0.96 [0.06, 14.65]1 study · 55 participantsLow
Fish oil lipid emulsion (LE) vs another fish oil LE
Death before discharge – MOFS‐LE vs MFS‐LE · parenterally fed preterm infants
Lipid emulsions for parenterally fed preterm infants (2019) · Cochrane
RR 1 [0.15, 6.64]1 study · 60 participantsLow
Fish oil lipid emulsion (LE) vs another fish oil LE
CLD (oxygen requirement at 36 weeks' postmenstrual age) – MOFS‐LE vs MFS‐LE · parenterally fed preterm infants
Lipid emulsions for parenterally fed preterm infants (2019) · Cochrane
RR 1.16 [0.4, 3.35]1 study · 55 participantsLow
Fish oil lipid emulsion (LE) vs another fish oil LE
Any sepsis (clinical or culture positive (or both)) – MOFS‐LE vs MFS‐LE · parenterally fed preterm infants
Lipid emulsions for parenterally fed preterm infants (2019) · Cochrane
RR 1.69 [0.56, 5.11]1 study · 55 participantsLow