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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
Intervention NR
Psychomotor Development Index (PDI) at 18 months · preterm infants
Nutrient‐enriched formula versus standard formula for preterm infants (2019) · Cochrane
no estimate extracted2 studies · 310 participantsLow
Intervention NR
Necrotising enterocolitis · preterm infants
Nutrient‐enriched formula versus standard formula for preterm infants (2019) · Cochrane
RR 0.72 [0.41, 1.25]3 studies · 489 participantsLow
Oxygen‐guided lung‐recruitment maneuver vs routine care
Mortality by hospital discharge · preterm infants < 37 weeks' gestational age requiring conventional mechanical ventilation for respiratory distress…
Positive end‐expiratory pressure for preterm infants requiring conventional mechanical ventilation for… (2019) · Cochrane
RR 1 [0.17, 5.77]2 studies · 44 participantsLow
Oxygen‐guided lung‐recruitment maneuver vs routine care
Bronchopulmonary dysplasia · preterm infants < 37 weeks' gestational age requiring conventional mechanical ventilation for respiratory distress…
Positive end‐expiratory pressure for preterm infants requiring conventional mechanical ventilation for… (2019) · Cochrane
RR 0.25 [0.03, 2.07]2 studies · 44 participantsLow
Oxygen‐guided lung‐recruitment maneuver vs routine care
Duration of invasive ventilatory support · preterm infants < 37 weeks' gestational age requiring conventional mechanical ventilation for respiratory distress…
Positive end‐expiratory pressure for preterm infants requiring conventional mechanical ventilation for… (2019) · Cochrane
no estimate extracted2 studies · 44 participantsLow
Iodine supplementation vs control
Mortality before hospital discharge
Iodine supplementation for the prevention of mortality and adverse neurodevelopmental outcomes in preterm… (2019) · Cochrane
RR 1.01 [0.72, 1.42]2 studies · 1380 participantsHigh
Iodine supplementation vs control
Bayley‐III Cognitive composite score at 2 years of age corrected for prematurity
Iodine supplementation for the prevention of mortality and adverse neurodevelopmental outcomes in preterm… (2019) · Cochrane
no estimate extracted1 study · 1259 participantsHigh
Iodine supplementation vs control
Bayley‐III Motor composite score at 2 years of age corrected for prematurity
Iodine supplementation for the prevention of mortality and adverse neurodevelopmental outcomes in preterm… (2019) · Cochrane
no estimate extracted1 study · 1259 participantsHigh
Iodine supplementation vs control
Bayley‐III Language composite score at 2 years of age corrected for prematurity
Iodine supplementation for the prevention of mortality and adverse neurodevelopmental outcomes in preterm… (2019) · Cochrane
no estimate extracted1 study · 1259 participantsHigh
Iodine supplementation vs control
Low score in any main Bayley domain (< 85) or death
Iodine supplementation for the prevention of mortality and adverse neurodevelopmental outcomes in preterm… (2019) · Cochrane
RR 1.05 [0.94, 1.17]1 study · 1259 participantsHigh
Half‐strength formula vs full‐strength formula
Episodes of abdominal distention > 2 cm · exclusively formula‐fed preterm or low birth weight infants
Dilute versus full‐strength formula in exclusively formula‐fed preterm or low birth weight infants (2019) · Cochrane
no estimate extracted2 studies · 88 participantsLow
Half‐strength formula vs full‐strength formula
Episodes of gastric residuals3> 50% of last feed remaining · exclusively formula‐fed preterm or low birth weight infants
Dilute versus full‐strength formula in exclusively formula‐fed preterm or low birth weight infants (2019) · Cochrane
no estimate extracted2 studies · 88 participantsLow
Half‐strength formula vs full‐strength formula
Days until 420 joules per kilogram · exclusively formula‐fed preterm or low birth weight infants
Dilute versus full‐strength formula in exclusively formula‐fed preterm or low birth weight infants (2019) · Cochrane
no estimate extracted2 studies · 88 participantsLow
Half‐strength formula vs full‐strength formula
Necrotising enterocolitis · exclusively formula‐fed preterm or low birth weight infants
Dilute versus full‐strength formula in exclusively formula‐fed preterm or low birth weight infants (2019) · Cochrane
no estimate extractedNRNo studies
Half‐strength formula vs full‐strength formula
All‐cause mortality prior to hospital discharge · exclusively formula‐fed preterm or low birth weight infants
Dilute versus full‐strength formula in exclusively formula‐fed preterm or low birth weight infants (2019) · Cochrane
no estimate extractedNRNo studies
Half‐strength formula vs full‐strength formula
Incidence of invasive infection · exclusively formula‐fed preterm or low birth weight infants
Dilute versus full‐strength formula in exclusively formula‐fed preterm or low birth weight infants (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 1: community‐based antibiotic delivery vs standard care
Neonatal mortality · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.82 [0.68, 0.99]5 studies · 125134 participantsLow
Comparison 1: antibiotic alone or antibiotic with other newborn care interventions vs standard care
Neonatal mortality ‐ antibiotics alone · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 1.07 [0.89, 1.29]1 study · 18747 participantsModerate
Comparison 1: antibiotic alone or antibiotic with other newborn care interventions vs standard care
Neonatal mortality ‐ antibiotics with other newborn care interventions · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.76 [0.62, 0.94]4 studies · 106387 participantsModerate
Comparison 2: any simplified antibiotic regimen vs the standard antibiotic regimen (7 days injectable benzylpenicillin + injectable gentamicin)
Neonatal mortality · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.81 [0.44, 1.5]3 studies · 3476 participantsModerate
Comparison 2: any simplified antibiotic regimen vs the standard antibiotic regimen (7 days injectable benzylpenicillin + injectable gentamicin)
Treatment failure · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.86 [0.67, 1.1]3 studies · 3476 participantsModerate
Comparison 2: any simplified antibiotic regimen vs the standard antibiotic regimen (7 days injectable benzylpenicillin + injectable gentamicin)
Adverse events · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 1.38 [0.79, 2.41]3 studies · 3476 participantsModerate
Comparison 2: 7 days oral amoxicillin + injectable gentamicin vs 7 days injectable benzylpenicillin + injectable gentamicin
Neonatal mortality · possible serious bacterial infections in neonates
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.84 [0.47, 1.51]3 studies · 2001 participantsModerate
Comparison 2: 7 days oral amoxicillin + injectable gentamicin vs 7 days injectable benzylpenicillin + injectable gentamicin
Early neonatal mortality · possible serious bacterial infections in neonates
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 7 days oral amoxicillin + injectable gentamicin vs 7 days injectable benzylpenicillin + injectable gentamicin
Late neonatal mortality · possible serious bacterial infections in neonates
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 7 days oral amoxicillin + injectable gentamicin vs 7 days injectable benzylpenicillin + injectable gentamicin
Sepsis‐specific neonatal mortality · possible serious bacterial infections in neonates
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 7 days oral amoxicillin + injectable gentamicin vs 7 days injectable benzylpenicillin + injectable gentamicin
Treatment failure · possible serious bacterial infections in neonates
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.82 [0.6, 1.11]3 studies · 2001 participantsModerate
Comparison 1: community‐based antibiotic delivery vs standard care
Early neonatal mortality · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.74 [0.65, 0.85]2 studies · 40299 participantsModerate
Comparison 2: 7 days oral amoxicillin + injectable gentamicin vs 7 days injectable benzylpenicillin + injectable gentamicin
Adverse events · possible serious bacterial infections in neonates
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 1.35 [0.72, 2.53]3 studies · 2001 participantsModerate
Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Neonatal mortality · neonates with possible serious bacterial infections
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.88 [0.29, 2.65]3 studies · 2036 participantsLow
Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Early neonatal mortality · neonates with possible serious bacterial infections
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Late neonatal mortality · neonates with possible serious bacterial infections
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Sepsis‐specific neonatal mortality · neonates with possible serious bacterial infections
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Treatment failure · neonates with possible serious bacterial infections
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.93 [0.7, 1.25]3 studies · 2036 participantsModerate
Comparison 2: 2 days injectable benzylpenicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Adverse events · neonates with possible serious bacterial infections
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 1.39 [0.67, 2.87]3 studies · 2036 participantsModerate
Comparison 2: 2 days oral amoxicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Neonatal mortality · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.67 [0.24, 1.85]1 study · 893 participantsModerate
Comparison 2: 2 days oral amoxicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Early neonatal mortality · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 2 days oral amoxicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Late neonatal mortality · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 1: community‐based antibiotic delivery vs standard care
Late neonatal mortality · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.73 [0.55, 0.96]2 studies · 40142 participantsModerate
Comparison 2: 2 days oral amoxicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Sepsis‐specific neonatal mortality · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 2 days oral amoxicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Treatment failure · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.67 [0.24, 1.85]1 study · 893 participantsModerate
Comparison 2: 2 days oral amoxicillin + injectable gentamicin followed by 5 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Adverse events · neonates with possible serious bacterial infection
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extracted1 study · 893 participantsHigh
Comparison 2: 7 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Neonatal mortality · neonates with fast breathing alone
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.99 [0.2, 4.91]1 study · 1406 participantsLow
Comparison 2: 7 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Early neonatal mortality · neonates with fast breathing alone
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 7 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Late neonatal mortality · neonates with fast breathing alone
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 7 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Sepsis‐specific neonatal mortality · neonates with fast breathing alone
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extractedNRNo studies
Comparison 2: 7 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Treatment failure · neonates with fast breathing alone
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.83 [0.68, 1.01]1 study · 1406 participantsLow
Comparison 2: 7 days oral amoxicillin vs 7 days injectable benzylpenicillin + injectable gentamicin
Adverse events · neonates with fast breathing alone
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
no estimate extracted1 study · 1406 participantsModerate
Comparison 1: community‐based antibiotic delivery vs standard care
Sepsis‐specific mortality · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.78 [0.6, 1]2 studies · 40233 participantsLow
Comparison 1: referral or full course of antibiotics vs standard care
Neonatal mortality ‐ first dose and referral · neonates with sepsis
Community‐based antibiotic delivery for possible serious bacterial infections in neonates in low‐ and… (2019) · Cochrane
RR 0.57 [0.38, 0.83]1 study · 3355 participantsLow