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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
Continuous vs intermittent bolus (nasogastric and orogastric tube) milk feeding ‐ all preterm infants less than 1500 grams
End of intervention: rate of gain in head circumference (cm/week) · preterm infants less than 1500 grams
Continuous nasogastric milk feeding versus intermittent bolus milk feeding for preterm infants less than… (2021) · Cochrane
no estimate extracted5 studies · 433 participantsLow
Continuous vs intermittent bolus (nasogastric and orogastric tube) milk feeding ‐ all preterm infants less than 1500 grams
Necrotising enterocolitis (NEC) · preterm infants less than 1500 grams
Continuous nasogastric milk feeding versus intermittent bolus milk feeding for preterm infants less than… (2021) · Cochrane
RR 1.19 [0.67, 2.11]4 studies · 372 participantsLow
Phenobarbital vs supportive care
Treatment failure To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 2.73 [0.94, 7.94]1 study · 62 participantsVery low
Phenobarbital vs diazepam
Neonatal and infant mortality · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs diazepam
Neurodevelopmental disability · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs diazepam
Days' hospitalisation · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 32 participantsLow
Phenobarbital vs diazepam
Days' pharmacological treatment · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 31 participantsLow
Phenobarbital vs diazepam
Adverse events To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs chlorpromazine
Treatment failure To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 0.55 [0.33, 0.92]2 studies · 138 participantsVery low
Phenobarbital vs chlorpromazine
Seizures To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted2 studies · 140 participantsVery low
Phenobarbital vs chlorpromazine
Neonatal and infant mortality · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs chlorpromazine
Neurodevelopmental disability · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs chlorpromazine
Days' hospitalisation · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 87 participantsLow
Phenobarbital vs supportive care
Seizures To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 62 participantsVery low
Phenobarbital vs chlorpromazine
Days' pharmacological treatment · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs chlorpromazine
Adverse events To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 100 participantsLow
Phenobarbital and opioid vs opioid alone
Treatment failure To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 20 participantsVery low
Phenobarbital and opioid vs opioid alone
Seizures To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 20 participantsVery low
Phenobarbital and opioid vs opioid alone
Neonatal and infant mortality · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital and opioid vs opioid alone
Neurodevelopmental disability · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital and opioid vs opioid alone
Days' hospitalisation · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 20 participantsLow
Phenobarbital and opioid vs opioid alone
Days' pharmacological treatment · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital and opioid vs opioid alone
Adverse events To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Clonidine and opioid vs opioid alone
Treatment failure To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 0.09 [0.01, 1.59]1 study · 80 participantsVery low
Phenobarbital vs supportive care
Neonatal and infant mortality · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Clonidine and opioid vs opioid alone
Seizures To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 0.14 [0.01, 2.68]1 study · 80 participantsVery low
Clonidine and opioid vs opioid alone
Mortality post discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 7 [0.37, 131.28]1 study · 80 participantsVery low
Clonidine and opioid vs opioid alone
Neurodevelopmental disability · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Clonidine and opioid vs opioid alone
Days' hospitalisation · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Clonidine and opioid vs opioid alone
Days' pharmacological treatment · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 80 participantsVery low
Clonidine and opioid vs opioid alone
Adverse events (treatment related) To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 3 [0.13, 71.51]1 study · 80 participantsVery low
Clonidine and opioid vs phenobarbital and opioid
Treatment failure To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 2.27 [0.98, 5.25]2 studies · 93 participantsVery low
Clonidine and opioid vs phenobarbital and opioid
Seizures To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 3 [0.13, 71.15]1 study · 68 participantsVery low
Clonidine and opioid vs phenobarbital and opioid
Mortality to discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 68 participantsVery low
Clonidine and opioid vs phenobarbital and opioid
Neurodevelopmental disability · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs supportive care
Neurodevelopmental disability · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Clonidine and opioid vs phenobarbital and opioid
Days' hospitalisation · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted2 studies · 91 participantsLow
Clonidine and opioid vs phenobarbital and opioid
Days' pharmacological treatment · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted2 studies · 91 participantsLow
Clonidine and opioid vs phenobarbital and opioid
Adverse events (treatment related) To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 1.55 [0.44, 5.4]2 studies · 93 participantsVery low
Phenobarbital vs supportive care
Days' hospitalisation · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 62 participantsVery low
Phenobarbital vs supportive care
Days' pharmacological treatment · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 62 participantsVery low
Phenobarbital vs supportive care
Adverse events To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Phenobarbital vs diazepam
Treatment failure To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
RR 0.39 [0.24, 0.62]2 studies · 139 participantsLow
Phenobarbital vs diazepam
Seizures To discharge · newborn infants with opioid withdrawal
Sedatives for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs placebo or no treatment / usual care
Treatment failure To discharge · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
RR 1.29 [0.41, 4.07]1 study · 80 participantsVery low
Morphine vs methadone
Neonatal or infant mortality · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Morphine vs methadone
Neurodevelopmental disability · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Morphine vs methadone
Days hospitalisation · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted1 study · 116 participantsLow
Morphine vs methadone
Days treatment · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extracted2 studies · 147 participantsLow
Morphine vs methadone
Adverse events (treatment related) To discharge · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
RR 0.33 [0.01, 8.02]1 study · 116 participantsLow