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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)

15,213 questions in 2,394 reviews

current versions
No studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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
Opioid vs diazepam
Adverse events (treatment related) To discharge · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs phenobarbital
Neonatal or infant mortality · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs phenobarbital
Neurodevelopmental disability · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs chlorpromazine
Neonatal or infant mortality · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs chlorpromazine
Neurodevelopmental disability · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs chlorpromazine
Days hospitalisation · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Opioid vs placebo or no treatment / usual care
Adverse events (treatment‐related) To discharge · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
Morphine vs methadone
Seizures · newborn infants with opioid withdrawal
Opioid treatment for opioid withdrawal in newborn infants (2021) · Cochrane
no estimate extractedNRNo studies
High MCT formula vs low MCT formula
Neurodevelopmental outcomes · promoting short‐term growth of preterm infants
High versus low medium chain triglyceride content of formula for promoting short‐term growth of preterm… (2021) · Cochrane
no estimate extractedNRNo studies
High MCT formula vs low MCT formula
Long‐term growth outcomes · promoting short‐term growth of preterm infants
High versus low medium chain triglyceride content of formula for promoting short‐term growth of preterm… (2021) · Cochrane
no estimate extractedNRNo studies
Dipyridamole vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Dipyridamole vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Dipyridamole plus aspirin vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Dipyridamole plus aspirin vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Warfarin vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Aspirin vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous fistula or graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Warfarin vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Fish oil vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Clopidogrel vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous fistula
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Sulphinpyrazone vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous fistula or arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Sulphinpyrazone vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous fistula or arteriovenous graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Glyceryl trinitrate patch vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous fistula
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Glyceryl trinitrate patch vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous fistula
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Aspirin vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous fistula or graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Ticlopidine vs placebo
Duration of hospital stay · people with ESRD receiving haemodialysis through an arteriovenous fistula or graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Ticlopidine vs placebo
Number of related surgical or radiological interventions · people with ESRD receiving haemodialysis through an arteriovenous fistula or graft
Medical adjuvant treatment to increase patency of arteriovenous fistulae and grafts (2021) · Cochrane
no estimate extractedNRNo studies
Early discharge vs standard discharge
Maternal mortality within 6 weeks ‐ not reported · healthy mothers and term infants
Early postnatal discharge from hospital for healthy mothers and term infants (2021) · Cochrane
no estimate extractedNRNo studies
Macrolides vs placebo
Outcomesa · adults and children with chronic asthma
Macrolides versus placebo for chronic asthma (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 1. Educational meetings as a single intervention or as the main component of a multi‐faceted intervention vs no intervention
Compliance with desired practice (Yes/No ‐ dichotomous outcomes · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 2. Educational meetings alone vs other interventions
Compliance with desired practice (measured on a continuous scale) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 2. Educational meetings alone vs other interventions
Patient outcomes · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 3. Interactive educational meetings vs didactic (lecture‐based) educational meetings
Compliance with desired practice (Yes/No ‐ dichotomous outcomes) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 3. Interactive educational meetings vs didactic (lecture‐based) educational meetings
Compliance with desired practice (measured on a continuous scale) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 3. Interactive educational meetings vs didactic (lecture‐based) educational meetings
Patient outcomes · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 3. Interactive educational meetings vs didactic (lecture‐based) educational meetings
Dichotomous · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 3. Interactive educational meetings vs didactic (lecture‐based) educational meetings
Continuous · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Compliance with desired practice (Yes/No ‐ dichotomous outcomes) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Compliance with desired practice (measured on a continuous scale) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Patient outcomes · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Dichotomous · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Continuous · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 1. Educational meetings as a single intervention or as the main component of a multi‐faceted intervention vs no intervention
Compliance with desired practice (measured on a continuous scale) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 1. Educational meetings as a single intervention or as the main component of a multi‐faceted intervention vs no intervention
Patient outcomes · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 1. Educational meetings as a single intervention or as the main component of a multi‐faceted intervention vs no intervention
Dichotomous · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 1. Educational meetings as a single intervention or as the main component of a multi‐faceted intervention vs no intervention
Continuous · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Comparison 2. Educational meetings alone vs other interventions
Compliance with desired practice (Yes/No ‐ dichotomous outcomes) · health personnel
Continuing education meetings and workshops: effects on professional practice and healthcare outcomes (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 18 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 24 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 36 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies
Intermittent oral levetiracetam vs placebo (any antipyretics)
Recurrent seizures at 48 months · children with febrile seizures
Prophylactic drug management for febrile seizures in children (2021) · Cochrane
no estimate extractedNRNo studies