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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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.

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
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Growth velocity, length, mm/d, end of intervention (length velocity) · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted5 studies · 262 participantsLow
Adjustable individualized fortification vs standard non‐individualized fortification
Growth velocity, weight, g/kg/d, end of intervention · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted3 studies · 96 participantsModerate
Adjustable individualized fortification vs standard non‐individualized fortification
Growth velocity, length, mm/d, end of intervention · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted3 studies · 96 participantsModerate
Adjustable individualized fortification vs standard non‐individualized fortification
Growth velocity, head circumference, mm/d, end of intervention · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted3 studies · 96 participantsHigh
Adjustable individualized fortification vs standard non‐individualized fortification
Mortality · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Adjustable individualized fortification vs standard non‐individualized fortification
NEC stage ≥ 2 · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Adjustable individualized fortification vs standard non‐individualized fortification
Culture‐proven late‐onset sepsis · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Adjustable individualized fortification vs standard non‐individualized fortification
Retinopathy of prematurity · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Adjustable individualized fortification vs standard non‐individualized fortification
Bronchopulmonary dysplasia · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted individualized fortification vs adjustable individualized fortification
Growth velocity, weight, g/kg/d ‐ end of intervention · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted2 studies · 72 participantsModerate
Targeted individualized fortification vs adjustable individualized fortification
Growth velocity, length, mm/d ‐ end of intervention · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted2 studies · 72 participantsLow
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Growth velocity, head circumference, mm/d, end of intervention · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extracted5 studies · 242 participantsLow
Targeted individualized fortification vs adjustable individualized fortification
Mortality · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted individualized fortification vs adjustable individualized fortification
NEC ≥ stage 2 · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted individualized fortification vs adjustable individualized fortification
Culture‐proven late‐onset sepsis · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted individualized fortification vs adjustable individualized fortification
Retinopathy of prematurity · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted individualized fortification vs adjustable individualized fortification
Bronchopulmonary dysplasia · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Necrotizing enterocolitis · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Culture‐proven late‐onset sepsis · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Mortality · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
no estimate extractedNRNo studies
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Bronchopulmonary dysplasia · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
RR 0.89 [0.71, 1.12]4 studies · 391 participantsVery low
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Retinopathy of prematurity, any · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
RR 0.79 [0.36, 1.72]1 study · 60 participantsVery low
Targeted or adjustable individualized fortification vs standard non‐individualized fortification
Osteopenia · promoting growth and development in very low birth weight infants receiving human milk
Individualized versus standard diet fortification for growth and development in preterm infants receiving… (2020) · Cochrane
RR 0.86 [0.4, 1.84]1 study · 60 participantsVery low
Early full enteral feeding vs delayed or progressive feeding
In hospital rate of weight gain (g/kg/day) until term equivalent · preterm or low birth weight infants
Early full enteral feeding for preterm or low birth weight infants (2020) · Cochrane
no estimate extracted2 studies · 236 participantsVery low
Early full enteral feeding vs delayed or progressive feeding
In hospital rate of head circumference growth (cm/week) until term equivalent – not reported · preterm or low birth weight infants
Early full enteral feeding for preterm or low birth weight infants (2020) · Cochrane
no estimate extractedNRNo studies
Early full enteral feeding vs delayed or progressive feeding
Growth restriction (z‐score of weight) at hospital discharge · preterm or low birth weight infants
Early full enteral feeding for preterm or low birth weight infants (2020) · Cochrane
no estimate extracted1 study · 46 participantsLow
Early full enteral feeding vs delayed or progressive feeding
Necrotising enterocolitis · preterm or low birth weight infants
Early full enteral feeding for preterm or low birth weight infants (2020) · Cochrane
RR 0.98 [0.38, 2.54]6 studies · 522 participantsVery low
Inositol supplementation to preterm infants (repeat doses in any amount and any duration of treatment) vs control
Infant death (age < 1 year) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 0.89 [0.71, 1.13]5 studies · 1115 participantsLow
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
BPD or death by it prior to 37 weeks' PMA (outcomes collected through first event: death, hospital discharge, hospital transfer, or 120 days after birth) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.01 [0.87, 1.16]2 studies · 616 participantsHigh
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
Severe IVH (grade 3 or 4) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 0.92 [0.65, 1.29]2 studies · 690 participantsModerate
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
Late‐onset sepsis (> 72 hours of age) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.33 [1, 1.75]2 studies · 701 participantsHigh
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
Suspected or proven NEC · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 0.88 [0.55, 1.41]2 studies · 701 participantsHigh
Inositol supplementation to preterm infants (repeat doses in any amount and any duration of treatment) vs control
Bronchopulmonary dysplasia (at 36 to 38 weeks' PMA) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.04 [0.9, 1.2]2 studies · 737 participantsModerate
Inositol supplementation to preterm infants (repeat doses in any amount and any duration of treatment) vs control
ROP, stage ≥ 3 or ≥ 2 · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 0.89 [0.75, 1.06]3 studies · 810 participantsModerate
Inositol supplementation to preterm infants (repeat doses in any amount and any duration of treatment) vs control
Sepsis (early or late onset) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.21 [0.95, 1.54]4 studies · 1067 participantsModerate
Inositol supplementation to preterm infants (repeat doses in any amount and any duration of treatment) vs control
Necrotizing enterocolitis (suspected or proven) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 0.94 [0.64, 1.39]5 studies · 1115 participantsModerate
Inositol supplementation to preterm infants (repeat doses in any amount and any duration of treatment) vs control
Intraventricular haemorrhage, grade > 2 · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 0.77 [0.58, 1.01]5 studies · 1103 participantsModerate
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
Type 1 ROP or death before determination of ROP outcome using the adjudicated ROP outcome · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.28 [0.99, 1.67]2 studies · 679 participantsModerate
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
Type 1 ROP including adjudicated ROP outcome · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.24 [0.82, 1.86]2 studies · 605 participantsModerate
Inositol supplementation IV initially followed by enteral administration (repeat doses of 80 mg/kg/day) in preterm infants born at less than 30 weeks' PMA vs placebo
All‐cause mortality (outcome collected through first event: death, hospital discharge, hospital transfer, or 120 days after birth) · preterm infants at risk for or having respiratory distress syndrome
Inositol in preterm infants at risk for or having respiratory distress syndrome (2019) · Cochrane
RR 1.35 [0.91, 2]2 studies · 701 participantsModerate
Formula vs donor breast milk
Weight gain (g/kg/day) · preterm or low birth weight infants
Formula versus donor breast milk for feeding preterm or low birth weight infants (2019) · Cochrane
no estimate extracted9 studies · 1028 participantsModerate
Formula vs donor breast milk
Linear growth (crown‐heel length mm/week) · preterm or low birth weight infants
Formula versus donor breast milk for feeding preterm or low birth weight infants (2019) · Cochrane
no estimate extracted8 studies · 820 participantsModerate
Formula vs donor breast milk
Head growth (mm/week) · preterm or low birth weight infants
Formula versus donor breast milk for feeding preterm or low birth weight infants (2019) · Cochrane
no estimate extracted8 studies · 894 participantsModerate
Formula vs donor breast milk
Neurodevelopmental disability · preterm or low birth weight infants
Formula versus donor breast milk for feeding preterm or low birth weight infants (2019) · Cochrane
RR 1.21 [0.62, 2.35]2 studies · 400 participantsModerate
Formula vs donor breast milk
All‐cause mortality · preterm or low birth weight infants
Formula versus donor breast milk for feeding preterm or low birth weight infants (2019) · Cochrane
RR 1.1 [0.8, 1.5]7 studies · 1527 participantsModerate
Formula vs donor breast milk
Necrotising enterocolitis · preterm or low birth weight infants
Formula versus donor breast milk for feeding preterm or low birth weight infants (2019) · Cochrane
RR 1.87 [1.23, 2.85]9 studies · 1675 participantsModerate
Intervention NR
Weight gain (g/kg/d) · preterm infants
Nutrient‐enriched formula versus standard formula for preterm infants (2019) · Cochrane
no estimate extracted6 studies · 440 participantsLow
Intervention NR
Length gain (mm/week) · preterm infants
Nutrient‐enriched formula versus standard formula for preterm infants (2019) · Cochrane
no estimate extracted5 studies · 386 participantsLow
Intervention NR
Head circumference gain (mm/week) · preterm infants
Nutrient‐enriched formula versus standard formula for preterm infants (2019) · Cochrane
no estimate extracted5 studies · 399 participantsLow
Intervention NR
Mental Development Index (MDI) at 18 months · preterm infants
Nutrient‐enriched formula versus standard formula for preterm infants (2019) · Cochrane
no estimate extracted2 studies · 310 participantsModerate